Compilation
Convolvulus umbellatus

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Name

Identification
Convolvulus umbellatus L. [family CONVOLVULACEAE ] (stored under name); Merremia umbellata (L.) Hall. f. [family CONVOLVULACEAE ] Verified by S.J. van Ooststroom, Merremia umbellata (L.) Hall. f. [family CONVOLVULACEAE ] Verified by W.T. Stearn,
Related name
  • Convolvulus umbellatus
  • Convolvulus luteus
  • Ipomoea umbellata
  • Ipomoea tiliacea
  • Merremia umbellata
  • Ipomoea portobellensis

Flora

Entry for MERREMIA umbellata (L.) Hall f. [family CONVOLVULACEAE]
Herbarium
Royal Botanic Gardens, Kew (K)
Collection
Flora of Tropical East Africa
Resource Type
Reference Sources
Entry From
Flora of Tropical East Africa, page 1, (1963) Author: B. VERDCOURT (East African Herbarium)
Names
MERREMIA umbellata (L.) Hall f. [family CONVOLVULACEAE], in E.J. 16 : 552 (1893) & in E.J. 18 : 114 (1893); Bak. & Rendle in F.T.A. 4 (2) : 106 (1905); F.W.T.A. 2 : 212 (1931). Types : West Indies, Martinique, Hispaniola & Jamaica (no specimens in LINN)
Convolvulus umbellatus L. [family CONVOLVULACEAE], Sp. Pl. : 155 (1753)
Convolvulus cymosus Desr. [family CONVOLVULACEAE], in Lam., Encycl. 3 : 556 (1791). Type : East Indies, Sonnerat (P, holo.!)
Ipomoea umbellata (L.) G. F. W. Mey. [family CONVOLVULACEAE], Prim. Fl. Esseq. : 99 (1818)
Ipomoea cymosa (Desr.) Roem. & Schultes [family CONVOLVULACEAE], Syst. Nat. 4 : 241 (1819)
Ipomoea primuliflora G. Don [family CONVOLVULACEAE], Gen. Syst. 4 : 270 (1837). Type : Sierra Leone, G. Don (BM, holo.!)
Information
Perennial twiner or climber with slender, glabrous or pubescent stems. Leaf-blade ovate to oblong, 4–16 cm. long, 1–9 cm. wide, obtuse to acute at the apex, mucronulate, cordate at the base, puberulous or glabrescent; petiole 1.5–10 cm. long. Flowers in umbel-like cymes, few- to many-flowered; peduncle 1–12 cm. long; bracts subulate, minute; pedicels 1.2–1.8 cm. long. Sepals elliptic to elliptic-ovate, 5–10 mm. long, obtuse but mucronulate, glabrous or sparsely pubescent. Corolla yellow or white, 2–3.5 cm. long, glabrous. Capsule subglobose, 10–15 mm. long, glabrous. Seeds velvety or villous, about 5–6.5 mm. long.
Range
DISTR. (of species as a whole). As above with the addition of tropical America, West Indies and West Africa

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