Pachypodium saundersii N.E.Br.

First published in Bull. Misc. Inform. Kew 1892: 126 (1892)
This species is accepted
The native range of this species is S. Tropical & S. Africa. It is a caudex shrub and grows primarily in the desert or dry shrubland biome.


Extinction risk predictions for the world's flowering plants to support their conservation (2024). Bachman, S.P., Brown, M.J.M., Leão, T.C.C., Lughadha, E.N., Walker, B.E.

Predicted extinction risk: not threatened. Confidence: confident

Apocynaceae, A. J. M. Leeuwenberg and F. K. Kupicha et al.. Flora Zambesiaca 7:2. 1985

Morphology General Habit
Low succulent shrub 0·5–2 m. high with swollen, little-branched stems arising from a large tuber.
Morphology Stem
Stems glabrous, bark smooth, pale grey, deeply longitudinally wrinkled on drying.
Morphology Leaves
Leaves 25–78 x 10–25 mm., thin-textured, drying blackish, often ephemeral; petiole 0–3 mm.; lamina narrowly obovate with apex obtuse and mucronate or cuspidate-acute, base tapering; upper surface glabrous, midrib ± level, lateral veins obscure; margin usually tuberculate-hispid; lower surface completely glabrous or with hispid midrib, the latter raised, other nerves usually obscure; leaf sometimes strongly undulate so that it cannot be pressed flat without folding. Leaves spirally arranged, each lamina subtended by a pair of spines, these 10–40 mm. long, stout, glabrous, straight, angled slightly upwards, with confluent swollen bases; a third, much smaller, spine also usually present proximal to the petiole.
Morphology General Shoots
Short shoots, with crowded slender spines up to 1 cm. long, present in axils of main stem leaves.
Morphology Reproductive morphology Inflorescences
Inflorescences terminal, many-flowered, very condensed; axes glabrous; flowers pink to purple on outside of corolla, white above, greenish within.
Morphology Reproductive morphology Flowers Calyx
Calyx c. 4 mm. long, glabrous, segments imbricate, triangular.
Morphology Reproductive morphology Flowers Corolla
Corolla lobes 1/2-2/3 as long as tube, asymmetrical, ± triangular with one straight and one strongly rounded, crisped edge; both surfaces glabrous. Corolla tube 30–42 mm. long, narrow in the lowest third then widening abruptly and gradually narrowing towards the apex, externally glabrous, internally pilose with long weak hairs above and below the stamens.
Morphology Reproductive morphology Flowers Androecium Stamens Anthers
Anthers sessile, inserted at base of swollen part of corolla tube, 9·5–11 mm. long, each comprising a sterile sagittate structure bearing two thecae 6–6·5 mm. long on its ventral surface and a retinacle.
Morphology General Scales
Five partially united oppositipetalous glabrous scales c. 1 mm. long borne on receptacle internal to the corolla.
Morphology Reproductive morphology Flowers Gynoecium Ovary
Ovary of 2 completely free, compressed-ovoid, glabrous carpels, each unilocular with ventral placenta bearing ¥ (c. 200) ovules.
Morphology Reproductive morphology Flowers Gynoecium Style
Style 1, slender, glabrous, attached to the two carpels at their apices; clavuncle annular, joined to the anther retinacles by a rubbery latex; style 2-lobed.
Morphology Reproductive morphology Fruits
Fruit of 2 horn-like follicles up to 15 cm. long containing ¥ seeds.
Morphology Reproductive morphology Seeds
Seeds c. 7 mm. long, compressed-ovoid, with apical coma of pale golden hairs up to 5 cm. long.


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