Pachypodium brevicaule
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Pachypodium brevicaule |
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| Baker |
Pachypodium brevicaule is a plant type from the genus Pachypodium in the family of Hundsgiftgewächse (Apocynaceae).
description
Pachypodium brevicaule is a perennial plant whose trunk is reduced to a caudex that is wider than it is tall. With age, the caudex is irregularly lobed, provided with low, arched branches and reaches a diameter of 1 m. The bark is firm and colored brown to silvery gray. The leaves are in rosettes between groups of weak, about 3 mm long thorns . The leaves are 2 to 4 cm long and 1 to 1.6 mm wide; when young they are hairy on the underside.
The flowers are for two to six people in reduced cymes . They are bright yellow and saucer-shaped. They reach a length of 1.7 to 2.5 cm and a diameter of 2 to 3 cm; the corolla tube has a diameter of about 3 mm.
The fruits are 9 to 10 cm long, have tomentose hairs and contain 3 mm large seeds .
Occurrence
The species is endemic in the central part of Madagascar and grows there on rocks.
Systematics
The species was first described in 1887 by John Gilbert Baker .
The species forms natural hybrids with Pachypodium densiflorum ( Pachypodium × rauhii ) and Pachypodium rosulatum .
One can distinguish between two subspecies:
- Pachypodium brevicaule subsp. brevicaule
- Pachypodium brevicaule subsp. leucoxanthum Lüthy . This subspecies was first described in 2008.
literature
- DG Rowley: Pachipodium . In: Urs Eggli (Ed.): Illustrated Handbook of Succulent Plants: Dicotyledons . Springer Verlag, 2002, ISBN 978-3-540-41966-2 , p. 12.
Individual evidence
- ^ The Journal of the Linnean Society. Botany. London, Volume 22, p. 503, 1887 online at biodiversitylibrary.org, accessed October 2, 2018.
- ↑ a b Rafaël Govaerts (ed.): Pachypodium - World Checklist of Selected Plant Families of the Royal Botanic Gardens, Kew. Last accessed on November 2, 2017.
