Orchidaceae
Bulbophyllum
Bulbophyllum josephi

Bulbophyllum josephi var. mahonii (Rolfe) J.J.Verm.

First published in Bull. Jard. Bot. Natl. Belg. 56: 232 (1986)
This variety is accepted
The native range of this variety is W. Tropical Africa to Malawi. It is a pseudobulbous epiphyte and grows primarily in the wet tropical biome.

Descriptions

Orchidaceae, V. S. Summerhayes. Flora of West Tropical Africa 3:1. 1968

Morphology Reproductive morphology Flowers
Flowers magenta and white
Morphology Reproductive morphology Flowers Column
Column green.
[FWTA]

IUCN Red List of Threatened Species https://www.iucnredlist.org/species/39571/10248915

Conservation
EN - endangered
[IUCN]

Orchidaceae, V. S. Summerhayes. Flora of Tropical East Africa. 1968

Morphology General Habit
A medium-sized epiphytic herb with a short stout creeping rhizome.
Vegetative Multiplication Pseudobulbs
Pseudobulbs clustered, 1-leafed, conical-ovoid, wrinkled when dry, 1.4–3.6 cm. long, 0.7–2.3 cm. diameter, reddish, green or brownish green, turning orange-yellow on drying.
Morphology Leaves
Leaf coriaceous, erect, narrowly oblong or oblanceolate, obtuse or rarely rounded, shortly petiolate, 8–16 cm. long, 1–2.4 cm. broad.
Morphology Reproductive morphology Inflorescences
Inflorescence pendulous, 8–26 cm. long, densely many-flowered; peduncle and rhachis slender, flexuous, terete; bracts narrowly elliptic, obtuse or subacute, 5–6 mm. long.
Morphology Reproductive morphology Flowers
Flowers white, greenish white or yellow ± tipped with crimson or pink.
Morphology Reproductive morphology Flowers Calyx
Dorsal sepal narrowly lanceolate, acuminate, 7–7.5 mm. long, 1 mm. broad; lateral sepals linear-lanceolate, long-acuminate, 7–8 mm. long, 1.5–2 mm. broad.
Morphology Reproductive morphology Flowers Corolla
Petals obovate-elliptic, rounded, 3 mm. long, 1.2 mm. broad, papillose in apical half.
Morphology Reproductive morphology Flowers Labellum
Lip recurved, ovate, obtuse, 2.2 mm. long, 1.3 mm. broad, with 2 longitudinal central ridges, margins papillose.
Morphology Reproductive morphology Flowers Column
Column short; stelidia short, acute, 0.5–1 mm. long; anther transversely ellipsoid with a short central apical ridge.
Habitat
Epiphyte in montane forest; 850–2100 m.
Distribution
K5 T3 T7 U2 U3
[FTEA]

Sources

  • Flora of Tropical East Africa

    • Flora of Tropical East Africa
    • http://creativecommons.org/licenses/by-nc-sa/3.0

  • Flora of West Tropical Africa

    • Flora of West Tropical Africa
    • http://creativecommons.org/licenses/by-nc-sa/3.0

  • Herbarium Catalogue Specimens

    • Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/3.0/

  • IUCN Categories

    • IUCN Red List of Threatened Species
    • http://creativecommons.org/licenses/by-nc-sa/3.0

  • Kew Backbone Distributions

    • The International Plant Names Index and World Checklist of Vascular Plants 2024. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2023 World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0

  • Kew Names and Taxonomic Backbone

    • The International Plant Names Index and World Checklist of Vascular Plants 2024. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2023 International Plant Names Index and World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0