Compilation
Schizostephanus alatus

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Name

Identification
Schizostephanus alatus Hochst. ex K.Schum. [family ASCLEPIADACEAE ] (stored under name); Cynanchum validum N.E.Br. [family ASCLEPIADACEAE ] Verified by Brown, N.E.,
Related name
  • Schizostephanus alatus
  • Cynanchum validum

Flora

Entry for SCHIZOSTEPHANUS alatus Hochst. ex K. Schum. [family ASCLEPIADACEAE]
Herbarium
Royal Botanic Gardens, Kew (K)
Collection
Flora Somalia
Resource Type
Reference Sources
Entry From
Flora Somalia, Vol 3, (2006) Author: by M. Gilbert (Ceropegia), D. Goyder (Calotropis, Conomitra, Glossonema, Gomphocarpus, Leptadenia, Marsdenia, Odontanthera, Oxystelma, Pentatropis, Pergularia, Secamone, Stigmatorhynchus, Tylophora), J. Lavranos (Ballyanthus, Caralluma, Desmidorchis, Duvalia, Echidnopsis, Edithcolea, Huernia, Orbea, Pseudolithos, Pseudopectinaria, Rhytidocaulon, Sanguilluma, Whitesloanea), S. Liede-Schumann (Blyttia, Calciphila, Cynanchum, Goydera, Pentarrhinum, Pleurostelma, Schizostephanus), M. Thulin (Acokanthera, Adenium, Ancylobotrys, Carissa, Catharanthus, Cryptostegia, Ephippiocarpa, Hunteria, Landolphia, Nerium, Plumeria, Saba, Strophanthus, Tabernaemontana, Thevetia, Wrightia), and J. Venter (Buckollia, Cryptolepis, Periploca, Raphionacme, Schlechterella, Tacazzea). [updated by M. Thulin 2008]
Names
SCHIZOSTEPHANUS alatus Hochst. ex K. Schum. [family ASCLEPIADACEAE], (1893);
Cynanchum validum N.E. Br. [family ASCLEPIADACEAE], (1903), non C. alatum Wight & Arn. Fig. 112. [type as above]
Information
Plants erect to decumbent, 0.5–4 m high; stems 5–7 mm in diam. Leaf-blades 3.5–8 cm x 3–7.5 cm, cordate, acute at the apex, glabrous; petiole 2–4 cm long. Inflorescences 15–30-flowered, 3–12 flowers open at the same time; peduncles 3.5–5.5 mm long; pedicels 6–8 mm long. Corolla-lobes c. 5 x 1 mm, oblong, yellow, sometimes purple at base. Corona white, 3.5–4 mm high, exceeding the gynostegium but not obscuring it, staminal and interstaminal parts fused for more than 3/4 of corona length, free parts of staminal lobes ovate to 2-fid, free parts of interstaminal lobes ovate to oblong. Gynostegium c. 1 x 1.5 mm, on top of c. 1.5–1.8 mm long stipe; connective appendages c. 0.4 x 0.25 mm, triangular; stigmatic head c. 1 x 0.5 mm, flat. Follicles c. 4.5 cm long, winged. Seeds c. 6.5 x 3.5 mm, winged, with tuft of c. 2 cm long hairs.
Range
N1 Eritrea, Ethiopia, Sudan, and drier parts of eastern Africa southwards to Zimbabwe and South Africa.
Altitude range
1200–1700 m.
Distribution
SOMALIA Bally 11678; Gillett 4704, 4863.

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