Global Regional Plant Guides

Kalahari-Namib Semi-Desert & Thornveld Plant Survival Guide

A comprehensive survival plant guide for Kalahari-Namib Semi-Desert & Thornveld, covering useful woody materials, land foods, aquatic foods, traditional-use plants and poisonous look-alikes.

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Cover of Kalahari-Namib Semi-Desert & Thornveld Plant Survival Guide

Continent: Africa
USDA-equivalent zones: 9-13
Köppen climate: BWh / BWk / BSh
Profiles: 20
Regional biome: Dune, gravel plain, dry river, thornveld and salt pan

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Useful plants · 5 Land edibles · 5 Aquatic edibles · 3 Traditional-use · 3 Poisonous look-alikes · 4

Useful plants

Wood, fibre, shelter and craft

Arid acacias

Vachellia / Senegalia spp.

Useful plants

Identify: Feathery compound leaves; paired or hooked thorns; yellow or white puffball flowers; pods.
Habitat: African, Arabian and Australian savannas, dry rivers and deserts.
Season: Wood year-round; gum and pods seasonal.
Field use: Dense wood for bows, handles, stakes and hot coals; gums of selected species have documented food or adhesive use.
Caution: Species vary in cyanogenic chemistry and pod edibility. Thorns cause deep punctures.
Look-alikes: Prosopis/mesquite and other mimosoid legumes require pod and thorn comparison.

bow woodhandlesfueladhesive

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Wild raisins / Grewia

Grewia spp.

Useful plants

Stylized form diagram for Wild raisins / Grewia

Identify: Rough toothed leaves; small star-like flowers; lobed orange, red or brown drupes.
Habitat: African savanna, dry woodland and scrub.
Season: Fruit seasonal; stems year-round.
Field use: Ripe fruits of selected species are documented food; straight stems provide arrow shafts, bows, cordage bark and tool handles.
Caution: Species vary. Confirm fruit and leaf traits; thorny thickets can conceal snakes.
Look-alikes: Ziziphus has paired thorns and three-veined leaves.

food fruitarrow shaftbow woodcordage

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African baobab

Adansonia digitata

Useful plants

Stylized form diagram for African baobab

Identify: Massive bottle-shaped trunk; palmate leaves; large hanging velvety fruits with dry powdery pulp.
Habitat: African savanna, dry woodland and village parkland.
Season: Fruit dry season; leaves wet season; fiber year-round.
Field use: Fruit pulp and young leaves are documented food; bark fiber has cordage use; hollow or fallen wood can support containers and tinder.
Caution: Do not strip living bark without local authority. Seeds and leaves require normal food preparation.
Look-alikes: Other baobab species occur in Madagascar and Australia.

food fruitfood greencordagecontainer

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Tamarisks

Tamarix spp.

Useful plants

Identify: Fine scale-like leaves on feathery twigs; pink flower sprays; salt often crystallizes on foliage.
Habitat: Desert rivers, salt flats, oases and coasts.
Season: Wood year-round; flowers seasonal.
Field use: Flexible twigs for wattle, brush shelters and small fuel; dry stems tolerate saline sites.
Caution: Not a food. Invasive in many regions; salty smoke and treated control sites are concerns.
Look-alikes: Casuarina has jointed needle-like branchlets and cone-like fruits.

wattlefuelbrush

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Jujubes

Ziziphus spp.

Useful plants

Identify: Zigzag twigs with paired straight and hooked thorns; three-veined leaves; small drupes.
Habitat: Dry Africa, Asia and Mediterranean-type scrub.
Season: Fruit summer-fall; wood year-round.
Field use: Ripe fruits of confirmed species are documented food; hard wood makes tool handles, pegs and small bows.
Caution: Unripe fruit can be astringent; thorn injuries are common. Species vary.
Look-alikes: Christ’s-thorn and buffalo-thorn relatives require local confirmation.

food fruitbow woodhandlespegs

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Land edibles

Terrestrial food species

Marula

Sclerocarya birrea

Land-based edible plants

Identify: Compound leaves clustered near twig tips; gray mottled bark; plum-sized yellow fruit with hard stone.
Habitat: African savanna and dry woodland.
Season: Fruit wet-season to late summer depending region.
Field use: Ripe fruit and seed kernels are documented food; wood carves easily for bowls and tools.
Caution: Fermenting fallen fruit attracts animals and insects. Kernel extraction needs tools and nut allergy applies.
Look-alikes: Searsia species have smaller clustered fruits and often three leaflets.

food fruitfood nutcarving

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Monkey oranges

Strychnos cocculoides / S. spinosa

Land-based edible plants

Stylized form diagram for Monkey oranges

Identify: Opposite leaves with strong curved veins; hard round yellow-orange fruit with many seeds in pulp.
Habitat: African savanna and dry woodland.
Season: Fruit dry to early wet season.
Field use: Fully ripe fruit of confirmed edible species is documented food; hard wood can make pegs and tools.
Caution: The genus includes highly toxic species. Never generalize from fruit shape or name.
Look-alikes: Toxic Strychnos species can look similar without expert regional knowledge.

food fruitpegs

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Saltbushes

Atriplex spp.

Land-based edible plants

Identify: Gray or mealy alternate leaves; inconspicuous flowers; often salt-tolerant and sprawling.
Habitat: Deserts, salt flats, coasts and disturbed dry ground.
Season: Leaves most of year.
Field use: Leaves of selected species are documented cooked greens; stems can fuel small fires and brush shelters.
Caution: High salt and oxalate content makes this a small-portion food, especially when dehydrated or kidney-impaired.
Look-alikes: Many gray desert shrubs resemble saltbush; fruiting bracts help confirm.

food greenfuelbrush

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Common purslane

Portulaca oleracea

Land-based edible plants

Stylized form diagram for Common purslane

Identify: Low reddish succulent stems; smooth fleshy leaves; tiny yellow flowers; clear sap.
Habitat: Disturbed warm ground, gardens, river deposits and camp edges worldwide.
Season: Warm growing season.
Field use: Young leaves and stems are documented food and water-rich greens.
Caution: High oxalate content; avoid large amounts with kidney disease and avoid contaminated ground.
Look-alikes: Spurges often exude milky sap and are unsafe.

food green

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Prickly pears

Opuntia spp.

Land-based edible plants

Identify: Flattened pads with clusters of fine glochids and often spines; showy flowers; fleshy fruits.
Habitat: Dry Americas, disturbed warm regions and some Mediterranean/African landscapes.
Season: Fruit summer-fall; young pads seasonal.
Field use: Ripe fruit and properly de-spined young pads of confirmed species are documented foods; dry woody joints can support fuel.
Caution: Invisible glochids embed in skin, eyes and mouth. Some fruits are insipid or seedy; avoid sprayed invasive stands.
Look-alikes: Chollas have cylindrical joints.

food fruitfood padfuel

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Aquatic edibles

Water-margin food species

Cattails

Typha spp.

Water and wetland edible plants

Identify: Tall flat strap leaves; dense brown cylindrical female flower spike below a narrower male section.
Habitat: Marshes, pond edges, slow channels and wet ditches.
Season: Shoots spring; pollen early summer; rhizomes year-round where lawful.
Field use: Documented food parts include young inner shoots, pollen and processed rhizome starch. Leaves make mats, baskets and thatch; seed down can bulk tinder.
Caution: Water can concentrate sewage, metals and parasites. Raw rhizome requires correct processing; avoid contaminated marshes.
Look-alikes: Yellow flag iris has sword leaves and showy flowers but no brown cattail head.

food shootfood starchbasketrythatchtinder

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Common reed

Phragmites australis

Water and wetland edible plants

Identify: Tall jointed canes; broad leaves with rough margins; large feathery purple-tan panicles.
Habitat: Marshes, riverbanks, lake edges and brackish wetlands worldwide.
Season: Canes year-round; young shoots spring.
Field use: Dry canes make arrow shafts, fish spears, mats, thatch, containers and friction-fire spindles; young shoots have limited documented food use.
Caution: Invasive populations may be chemically treated. Cut cane edges are sharp; food use is excluded where water quality is uncertain.
Look-alikes: Giant reed is stouter; reed canary grass has a smaller seed head.

arrow shaftbow drill spindlethatchbasketrycontainer

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Bulrushes

Schoenoplectus spp.

Water and wetland edible plants

Identify: Round or triangular mostly leafless stems; small brown flower clusters near stem tips.
Habitat: Freshwater and brackish marshes, pond edges and slow rivers.
Season: Young shoots spring; rhizomes and stems longer.
Field use: Rhizomes and young shoots have documented food use after correct species identification; stems make mats, cordage and basket frames.
Caution: Wetland contamination is a major risk. Several sedges are difficult to separate.
Look-alikes: Cattails have broad flat leaves and a brown cylinder.

food shootfood starchbasketrycordage

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Traditional-use

Documented traditional medicine

African aloes

Aloe spp.

Medicinal and traditional-use plants

Identify: Fleshy rosette leaves with toothed margins and spikes of tubular red, orange or yellow flowers.
Habitat: African drylands, rocky slopes and fynbos.
Season: Leaves year-round; flowers seasonal.
Field use: Clear inner gel of a few correctly identified species has documented external soothing use; dry stalks are tinder.
Caution: Yellow latex under the rind is a strong laxative and can be dangerous. Species vary; do not eat aloe in the field.
Look-alikes: Agaves are New World plants with fibrous leaves and different flowers.

medicinetinder

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African wormwood

Artemisia afra

Medicinal and traditional-use plants

Stylized form diagram for African wormwood

Identify: Gray-green aromatic finely divided leaves; small inconspicuous flower heads; woody base.
Habitat: African highlands, grassland and disturbed mountain slopes.
Season: Growing season.
Field use: Widely documented traditional aromatic and respiratory use; dry stems support tinder.
Caution: No survival dosing. Concentrated oils and teas can be toxic, especially in pregnancy or seizure disorders.
Look-alikes: Other Artemisia species and unrelated gray shrubs resemble it.

medicinetinder

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Yarrow

Achillea millefolium

Medicinal and traditional-use plants

Identify: Aromatic finely divided leaves; flat clusters of small white to pink flower heads.
Habitat: Dry openings, trails, grassland, shore gravel and disturbed soil.
Season: Summer through fall.
Field use: Documented traditional external uses include washes and aromatic preparations; dry flower heads make light tinder.
Caution: Possible allergy, pregnancy and anticoagulant concerns. Not a substitute for wound cleaning or medical care.
Look-alikes: Poison hemlock is much taller with hollow purple-spotted stems and true umbels.

medicinetinder

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Poisonous look-alikes

Do not eat — verify before harvest

Tree euphorbias

Euphorbia spp.

Poisonous plants

Stylized form diagram for Tree euphorbias

Identify: Candelabra or shrub form; milky latex; paired spines in many species; tiny flowers in specialized cups.
Habitat: African drylands, tropical scrub and disturbed ground.
Season: Year-round.
Field use: No food use; dry dead wood is not recommended for cooking fires.
Caution: Latex can cause severe burns, blindness and vomiting; smoke is irritating.
Look-alikes: Cacti lack milky latex and are native to the Americas.

poison

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Desert rose

Adenium obesum

Poisonous plants

Identify: Swollen succulent trunk, leathery leaves near branch tips and large pink-red trumpet flowers; milky sap.
Habitat: East African and Arabian dry bushland and rocky slopes.
Season: Year-round stems; flowers seasonal.
Field use: No food use.
Caution: Milky sap contains cardiac glycosides and has been used as arrow poison. Avoid skin, eye and wound contact.
Look-alikes: Plumeria has milky sap and flowers but lacks the swollen caudex.

poison

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Castor bean

Ricinus communis

Poisonous plants

Identify: Large star-shaped palmately lobed leaves; spiny capsules; glossy mottled seeds.
Habitat: Warm disturbed ground, riverbanks and tropical/subtropical waste areas.
Season: Growing season; seeds seasonal.
Field use: No survival food or medicine use. Oil extraction is industrial, not a field process.
Caution: Chewed seeds can release ricin and cause severe or fatal poisoning.
Look-alikes: Jatropha has similar lobed leaves but different fruit; it is also toxic.

poison

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Daturas / thorn apples

Datura spp.

Poisonous plants

Stylized form diagram for Daturas / thorn apples

Identify: Large foul-smelling leaves; upright trumpet flowers; spiny egg-shaped capsules.
Habitat: Disturbed warm ground, dry riverbeds and fields worldwide.
Season: Summer-fall.
Field use: No use.
Caution: All parts contain dangerous tropane alkaloids causing delirium, overheating, seizures and death.
Look-alikes: Brugmansia has hanging trumpets on woody shrubs and is also toxic.

poison

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