Entry for CALANTHE Volkensii Rolfe [family ORCHIDACEAE]
Herbarium
Royal Botanic Gardens, Kew (K)
Collection
Flora of Tropical Africa
Resource Type
Reference Sources
Entry From
Flora of Tropical Africa, Vol 7, page 12, (1898) Author: (By R. A. Rolfe.)
Names
CALANTHE VolkensiiRolfe [family ORCHIDACEAE]
CALANTHE sylvaticaKränzl. var. natalensis [family ORCHIDACEAE], in Engl. Pfl. Ost-Afr. C. 156 (not of Reichb. f.).
Information
Rhizome stout. Leaves elliptical- to oblong-lanceolate, acute, 12–14 in. long, 4–4 1/4 in. broad; petioles 5–7 in. long. Scape 1 ft. high: raceme short, about 12-flowered; rhachis pubescent. Bracts lanceolate to ovate-lanceolate, subacute, pubescent, 4–7 in. long. Pedicels 1–1 1/4 in. long. Sepals lanceolate-oblong, acute or apiculate, 7–8 lin. long; margins undulate. Petals oblong, subacute or apiculate, a little smaller than the sepals. Lip adnate to the short column; side lobes oblong, obtuse, 2 lin. long; front lobe obcordate-bilobed; lobes truncate; disc with three verrucose lines at the base; spur slender, 14–16 lin. long.
Distribution
German East Africa Mozamb. Dist. Kilimanjaro; Marangu, 6500 ft., Volkens, 2263!
Notes
Distinguished from the South African C. natalensis, Reichb. f., amongst other characters, by its longer, more slender spur.
