Illustrated Handbook of Succulent Plants: Asclepiadaceae

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"The quantity at the Asclepiadaceae is now the 5th quantity … of the six projected volumes of the Illustrated instruction manual of Succulent crops. Of the 5 volumes … those are by way of a long way the simplest sequence of photos to were released … . For the collector … there's lots during this ebook with which to be interested. … it is a very appealing quantity and should be of substantial use to many creditors … ." (Peter V. Bruyns, Plant Systematics and Evolution, Vol. 239 (3-4), 2003)

"The six volumes of Illustrated instruction manual of succulent crops … deal with ‘over 9000 taxa of all succulents other than Cactaceae’ … . This sequence is a reference handbook for taxonomists and horticultural cognoscenti. It compiles up to date info no longer on hand from different resources … . This sequence is valuable to spot succulents… . In precis, this can be an outstanding sequence, an important contribution to the literature, and a good production." (Rudolf Schmid, Taxon, Vol. fifty three, 2003)

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Perennial hairy summer-green geophytic herbs with hypocotyl- or R-tubers or thickened fleshy R, tubers often f edible, with white or yellow tissue; stems 1 to several, procumbent to erect, very rarely twining, branched or not, mostly annual, 2 - 100 cm; L petiolate or sessile, linear to ovate, entire, minute to large, stipular rudiments mostly present, flat or glandular; Inf extra-axillary, rarely terminal, sessile, rarely shortly pedunculate, 1- to many-flowered, ± pseudo-umbellate, often f in pairs or with solitary successively appearing Fl; Ped 3 - 50 mm; Sep ovate-lanceolate to subulate; Cl ± 5 - 60 mm ∅, with flat, campanulate or cup-shaped tube; Cl lobes mostly flat and rotately spreading, rarely reflexed or erect and coherent at the tips to form f a cage-like structure; Cn biseriate but sometimes uniseriate, sessile or stipitate; Ci developed into 5 lobes ffrom a bowl- to cup-like basally fuse f d structure, lobes often bifid and hairy, rarely almost reduced; Cs lobes mostly rectangular, incumbent on the Anth, rarely long attenuate and erect; Anth rectangular, placed on the Sty head (rarely erect); Poll subquadrate, ovoid or pear-shaped; Fr narrowly or thickly fus f iform; f Se brown to black, conspicuously winged.

Brachystelma has a disj s unct distribution with a centre in S Afr f ica. The genus is absent from Madagascar, N Africa and Arabia, but occurs with 12 species in India and Sri Lanka. Only few species are found in E Asia and a single one occurs in N Australia and Papua New Guinea. A generic revision was never produced and no infragener f ic taxa have been proposed. Local endemism is ffrequent. Recent molecular studies (Meve & Liede 2001a) support the inclusion (here accepted) of Macro M opetalum and Tenari T s in Brachy h stelma, as earlier advocated by Peckover (1996).

A. a. B. , 2000). T: Namibia (Bruyns 8000 [BOL, K, MO, PRE, WIND]). − D: NW Namibia. Description as for the genus. BRACHYSTELMA U. Meve Brachystelma Sims (CBM 49: t. 2343 + text, 1822). T: Stapelia tuberosa Meerburg. − Lit: Dyer (1980); Walker (1982); Dyer (1983); Forster (1985); Craib (1994); Meve & Liede (2001a). D: Africa, India, Sri Lanka, Myanmar, Malaysia, Thailand, Philippines, Papua New Guinea, N Australia. Etym: Gr. ‘brachys’, short; and Gr. ‘stelma’, crown, garland, wreath; ffor the nature of the corona.

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