Compilation
Duvalia sulcata

2 Images see all

Previous
Next

Name

Identification
Duvalia sulcata N.E.Br. [family APOCYNACEAE ]
Related name
  • Duvalia sulcata

Flora

Entry for DUVALIA somalensis Lavranos [family ]
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
DUVALIA somalensis Lavranos [family ], (1971);. type: N1, “Abdul Qadr”, between “Borama” and “Zeila”, Lavranos 6838 (FT holo.). Fig. 135A, B.
DUVALIA sulcata (Lavranos) Meve subsp. somalensis [family ], in Plant Syst. Evol., Suppl. 10: 118 (1997);. type: N1, “Abdul Qadr”, between “Borama” and “Zeila”, Lavranos 6838 (FT holo.). Fig. 135A, B.
Information
Stems club-shaped, 3–5 cm long, c. 15 mm thick, grey-green with purple markings, ascending or erect with prominent spreading teeth. Flowers 1–4 together from a stout perennial peduncle; pedicels c. 30 mm long, spreading horizontally. Corolla wholly glabrous, shiny, 30–45 mm wide, with a prominent, red-brown and minutely tuberculate annulus; lobes ovate-triangular, c. 15 mm long, markedly folded, with longitudinal furrows, when expanded 7 mm broad, yellow with large, red-brown spots. Outer corona 6.5–7.5 mm in diam, red brown; inner corona-lobes whitish, ovoid with an acute dorsal horn, 2–3 mm high.
Range
N1
Altitude range
500–800 m.
Distribution (external)
Ethiopia
Djibouti
Yemen
Notes
The reduction of this taxon to subspecific rank under the Arabian D. sulcata by Meve (1997) seems unjustified and is not accepted here.

Related Materials