Compilation
Convolvulus coeruleus

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Name

Identification
Convolvulus coeruleus M.Martens & Galeotti [family CONVOLVULACEAE ] Verified by Not on sheet, Jacquemontia sphaerostigma (Cav.) Rusby [family CONVOLVULACEAE ] (stored under name); Verified by McDonald A., 1983
Related name
  • Jacquemontia sphaerostigma
  • Ipomaea ovalifolia
  • Jacquemontia hirsuta
  • Jacquemontia apiculata
  • Convolvulus coeruleus
  • Jacquemontia ovalifolia
  • Ipomoea ovalifolia
  • Convolvulus ovalifolius

Flora

Entry for Jacquemontia ovalifolia Vahl Hall. f. [family CONVOLVULACEAE]
Herbarium
Royal Botanic Gardens, Kew (K)
Collection
Flora Zambesiaca
Resource Type
Reference Sources
Entry From
FZ, Vol 8, Part 1, page 9, (1987) Author: Maria Leonor Gonçalves
Names
Ipomoea oleracea Welw. [family CONVOLVULACEAE], Apont. Phyto-Geogr. in Ann. Cons. Ultr. 1: 589 (1859). Type from Angola.
Jacquemontia ovalifolia Vahl Hall. f. [family CONVOLVULACEAE], in Engl., Bot. Jahrb. 18: 96 (1893).—Hiern, Cat. Afr. Pl. Welw. 1: 726 (1898).—Baker & Rendle in F.T.A. 4: 87 (1905).—Heine in F.W.T.A. ed., 2, 2: 340 (1963).—Verdc. in F.T.E.A., Convolvulaceae: 34 (1963).—Robertson in Ann. Missouri Bot. Gard. 61: 502, fig. 1–8 (1974). Type probably from Trinidad.
Convolvulus ovalifolius Vahl [family CONVOLVULACEAE], Eclog. Amer. 2: 16 (1798). Type as above.
Convolvulus coeruleus Schumach. & Thonn. [family CONVOLVULACEAE], Beskr. Guin. Pl.:101 (1827). Type from West Africa.
Ipomoea ovalifolia Vahl Choisy [family CONVOLVULACEAE], in Mem. Soc. Phys. Genève 6: 449 (1834); DC., Prodr. 9: 357 (1845). Type as for Convolvulus ovalifolius.
Jacquemontia coerulea Schumacher Choisy ex G. Don [family CONVOLVULACEAE], Gen. Syst. 4: 283 (1838). Type as for Convolvulus coeruleus.
Information
Annual or perennial herb. Stems slender, woody at base, prostrate-ascending, radiating from a thick rootstock, glabrous or nearly so, with 2-armed hairs. Leaf lamina oblong to oblong-lanceolate or elliptic to subcircular, up to 5 × 3·5 cm., obtuse or emarginate at the apex, cuneate at the base, more or less glabrous, very slightly fleshy; petiole up to 3 cm. long. Inflorescences few-flowered axillary cymes; peduncle up to 3·5 cm. long, erect Bracts linear or obovate, up to 8 × 3 mm. Sepals ovate or obovate-elliptic, acute, unequal, 4–7 × 4 mm. venose in fruit. Corolla blue, subrotate to shallowly campanulate, about 1 cm. long. Capsule pale brown, thin, subglobose; fruiting pedicels up to 1·3 cm. long. Seeds trigonous, minutely areolate, the outer 2 margins narrowly and irregularly winged.
Habitat
Floodplain depressions.
Distribution
Mozambique GI Gaza, Banhine National Park, fl. x.1973, Tinley 2990 (SRGH).
Distribution (external)
East and West Africa
Angola
Namibia
America

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