Compilation
Polystachya shirensis

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Name

Identification
Polystachya albescens Rolfe [family ORCHIDACEAE ] (stored under name); Polystachya imbricata Rolfe [family ORCHIDACEAE ] Verified by Summerhayes, V.S., Polystachya shirensis Rchb.f. [family ORCHIDACEAE ] Verified by Kraenzlin, Polystachya kraenzlinii Rolfe [family ORCHIDACEAE ]
Related name
  • Polystachya imbricata
  • Polystachya modesta
  • Polystachya albescens
  • Polystachya shirensis
  • Polystachya kraenzlinii

Flora

Entry for POLYSTACHYA Krænzlinii 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
POLYSTACHYA Krænzlinii Rolfe [family ORCHIDACEAE]
POLYSTACHYA shirensis Kränzl. [family ORCHIDACEAE], in Engl. Pfl. Ost-Afr. C. 155 (not Reichb. f.).
Information
Plant 9–12 in. high. Stems cylindric, 3–5-leaved. Leaves oblong, minutely bidenticulate, 2 1/2–4 in. long, 6–9 lin. broad. Panicles nearly sessile, 1 1/2–2 1/2 in. long. Bracts triangular-ovate, acute, 1 1/2–2 lin. long. Pedicels 4 lin. long. Dorsal sepal triangular-ovate, acute, 3 lin. long; lateral broadly triangular; apex falcate-acuminate. Petals subspathulate-lanceolate, acute, 2 1/2 lin. long. Lip 3 lin. long, unguiculate, subtrilobed; side lobes broadly rounded; front lobe triangular, acute; disc puberulous with a central, roundish-oblong tubercle. Column stout, 1/2 lin. long. Chin saccate-oblong, obtuse, 2 1/4 lin. long.
Distribution
German East Africa Mozamb. Dist. Usambara; Mascheua, 6200 ft., on trees, Holst, 8748!
Notes
Very different from P. shirensis, Reichb. f., to which Kränzlin refers it. It turns black in drying, and is near P. Rendlei, Rolfe, and P. imbricata, Rolfe.

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