Caudex plants
The swollen base is the point; dormancy timing is life or death.

Adenium arabicumAdenium arabicum

desert-roseAdenium obesum

Elephant's Foot YamDioscorea elephantipes

grendelionDorstenia foetida

Hottentot BreadFockea edulis

goutystalk nettlespurgeJatropha podagrica

Pachypodium brevicaulePachypodium brevicaule

Madagascar PalmPachypodium lamerei

Stephania erectaStephania erecta

Blueleaf ElephantfootAdenia glauca

spiny greenstemAdenia spinosa

Adenia stylosaAdenia stylosa

African Tree GrapeCyphostemma bainesii

Namibian GrapeCyphostemma juttae

Mexican yamDioscorea mexicana

Euphorbia bupleurifoliaEuphorbia bupleurifolia

star euphorbiaEuphorbia stellata

Operculicarya decaryiOperculicarya decaryi

Pachypodium densiflorumPachypodium densiflorum

Madagascar bottle treePachypodium geayi

Elephant's Foot PlantPachypodium rosulatum

Kudu LilyPachypodium saundersii

Shaving Brush TreePseudobombax ellipticum

Stephania pierreiStephania pierrei

Butter BushTylecodon paniculatus

Mousetrap treeUncarina grandidieri

Adenia globosaAdenia globosa

frankincenseBoswellia sacra

Calibanus hookeriCalibanus hookeri

Dorstenia crispaDorstenia crispa

Euphorbia squarrosaEuphorbia squarrosa

Ipomoea platensisIpomoea platensis

Redthroat BushcandleMonsonia multifida

Spiky BabooncabbageOthonna euphorbioides

Pachypodium bispinosumPachypodium bispinosum

Pachypodium succulentumPachypodium succulentum

Fleshy-Stalked PelargoniumPelargonium carnosum

Oukoe ButterbushTylecodon reticulatus

Pegleg ButterbushTylecodon wallichii

Adenia venenataAdenia venenata

Brachystelma barberiaeBrachystelma barberae

Butter TreeCyphostemma currorii

Narrowleaf Morning GloryIpomoea bolusiana

Berlandier's nettlespurgeJatropha cathartica

Dwarf BushcandleMonsonia patersonii

Operculicarya pachypusOperculicarya pachypus

Thicket Baboon-CabbageOthonna triplinervia

Cauliflower StorksbillPelargonium alternans

Creeping raphioRaphionacme procumbens