Compilation
Angraecopsis gassneri
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Name
Identification
Angraecopsis gassneri G.Will. [family ORCHIDACEAE ] (stored under name); Verified by Cribb, P.J., Angraecopsis trifurca (Rchb.f.) Schltr. [family ORCHIDACEAE ] Verified by Cribb, P.J., Angraecopsis elliptica Summerh. [family ORCHIDACEAE ] Verified by Cribb, P.J.,
Related name
- Angraecopsis gassneri
- Angraecopsis trifurca
- Angraecopsis elliptica
Flora
Entry for Angraecopsis gassneri G. Will. [family ORCHIDACEAE]
Herbarium
Royal Botanic Gardens, Kew (K)
Collection
Flora Zambesiaca
Resource Type
Reference Sources
Entry From
FZ, Vol 11, Part 2, (1998) Author: I. la Croix & P.J. Cribb
Names
Angraecopsis gassneri G. Will. [family ORCHIDACEAE], in J. S. African Bot. 46, 4: 341 (1980). Type: Zambia, Kalene Hill, 1975, G. Williamson & Gassner 2448 (K; SRGH, holotype).
Angraecopsis sp. [family ORCHIDACEAE], of Williamson, Orch. S. Centr. Africa: 199 (1977).
Information
Epiphytic herb, glabrous except for the roots.Roots slender, c. 2 mm in diameter, somewhat hairy.Leaves 3–5, distichous, 15–22 × 2.5–3.5 cm, ligulate, unequally and obtusely 2-lobed at the apex, undulate on the margins.Inflorescences 1–3, arising from base of the plant; peduncle c. 16 cm long, slender, with 4 bracts c. 2 mm long; rhachis 4 cm long, densely c. 20-flowered.Flowers pale green.Pedicel and ovary curved, 15 mm long; bracts 1 mm long, lanceolate, acute.Dorsal sepal 3 × 1.8 mm, ovate, obtuse; lateral sepals c. 9 × 1.5 mm, ligulate, obtuse, coiled in the apical part, adnate to petals at the base.Petals 3.5–5 × 1.5–3 mm, ovate, acute.Lip porrect, c. 6 mm long, 3-lobed to c. 2 mm from the base; mid-lobe 3 × 0.6–1 mm, lanceolate, ± obtuse; side lobes 2.8 × 0. 4–0.7 mm, lanceolate, ± obtuse, curving outwards; spur 15–18 mm long, slender, parallel to the ovary.Column 1–1.8 mm long; anther cap pyriform, slightly papillose at the base; apex curved, triangular, acute; pollinia 2, stipites clavate, verrucose; viscidia 0.4 mm long, narrowly ellipsoidal, prolonged beyond rostellum apex; rostellum 3-lobed, recurved towards the stigma.
Habitat
On trees and granite rocks, in deep moss
Range
Known only from this area
Altitude range
1300 m.
1300
1300
Distribution
Zambia W Mwinilunga Distr., Zambezi Rapids, 6 km north of Kalene Hill Mission, fl. in cult. iii.1975, G. Williamson & Gassner 2448 (K; SRGH).
Notes
This species is apparently close to A. trifurca (Rchb.f.) Schltr. but is said to differ in having broader leaves with undulate margins, a triangular acute apex to the anther cap and clavate, verrucose stipites (as opposed to linear, smooth ones in A. trifurca).