Compilation
Ipomoea bona-nox

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Name

Identification
Ipomoea bona-nox L. [family CONVOLVULACEAE ] Verified by Not on sheet, Calonyction speciosum Choisy [family CONVOLVULACEAE ] Verified by Not on sheet, Ipomoea alba L. [family CONVOLVULACEAE ] (stored under name); Verified by H. Heine, 1965
Related name
  • Calonyction bona-nox
  • Ipomoea bona-nox
  • Ipomoea muricata
  • Ipomoea sp.
  • Calonyction pavonii
  • Calonyction speciosum
  • Ipomoea indet.
  • Ipomoea alba

Flora

Entry for Ipomoea alba L. [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
Ipomoea alba L. [family CONVOLVULACEAE], Sp. Pl. : 161 (1753); van Ooststr. in Fl. Males., ser. 1, 4 (4) : 480, fig. 53 (1953); Meeuse in Bothalia 6 : 765 (1958). Type : India, Malabar : illustration of Convolvulus malabaricus flore amplo. .. in Rheede, Hort. Malab. 11, t. 50 (1692) (holo. !)
Convolvulus aculeatus L. [family CONVOLVULACEAE], Sp. Pl. : 155 (1753). Type: tropical America, collector unknown, specimen 99 : 213 Herb. Pluk. (BM–SL, lecto.!)
Ipomoea bona-nox L. [family CONVOLVULACEAE], Sp. Pl., ed. 2 : 228 (1762); U.O.P.Z. : 308 (1949). Type : as I. alba
Calonyction speciosum Choisy [family CONVOLVULACEAE], in Mém Soc. Phys. Genève 6 : 441, t. 1, fig. 4 excl. var. b (1834); Bak. & Rendle in F.T.A. 4 (2) : 117 (1905). Type : based on I. bona-nox L. (G, a specimen seen which substantiates this interpretation)
Calonyction bona-nox (L.) Bojer [family CONVOLVULACEAE], Hort. Maurit. : 227 (1837); Hall.f. in Bull. Herb. Boiss. 5 : 1028 (1897)
Calonyction aculeatum (L.) House [family CONVOLVULACEAE], in Bull. Torr. Bot. Club 31 : 590 (1904); F.W.T.A. 2 : 213 (1931)
Information
A glabrous or very rarely pubescent, annual or perennial; stems prostrate or twining, up to 2.4 m. long, smooth or rarely muriculate. Leaf-blade ovate or orbicular in outline, entire or 3-lobed, 6–20 cm. long, 5–16 cm. wide, acute, acuminate or obtuse at the mucronulate apex, cordate at the base; petiole 5–20 cm. long. Inflorescences axillary, 1–several-flowered; peduncle stout, 1–24 cm. long; pedicels 0.7–1.5 cm. long, lengthening to 2.5–3 cm. long and becoming very thick in fruit. Sepals elliptic, unequal; outer 2–3 sepals 5–12 mm. long, 6–7 mm. wide, with a long awn-like appendage 4–10 mm. long at the apex (Fig. 22/4, p. 102); inner sepals longer, 8–15 mm. long, 9 mm. wide, shortly mucronulate. Corolla opening at night, scented, white or greenish-cream below; tube cylindrical, 7–12 cm. long, 5 mm. wide; limb salver-shaped, 11–16 cm. wide. Capsule ovoid, 2.5–3 cm. tall, glabrous. Seeds 4, ovoid, white to black, glabrous, 10–12 mm. long, 7–9 mm. wide.
Range
DISTR. U2, K1, 4, 7; T3 originally American but now pantropical as an escape and also cultivated
Altitude range
290–1000 m.
Distribution
KENYA Northern Frontier Province Tanaland, Chebale, 28 Sept. 1945, J. Adamson 187 !KENYA Fort Hall District Makuyu, June 1952, C. van Someren 178 !KENYA Teita District Taveta, Babault in Bally 5199 !TANGANYIKA Lushoto District Amani, 22 Feb. 1950, Verdcourt 85 ! & 15 Jan. 1929, Greenway 1086!UGANDA Toro District Bwamba, Kiremia, 26 Nov. 1935, A. S. Thomas 1481 ! & Hakitengya, 17 Jan. 1932, Hazel 156 !

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