Angraecum floribundum

Names and Taxonomy

Angraecum floribundum Bosser is the accepted scientific name for this species. It was first described in Adansonia n.s., 10: 102 (1970)【1】. The Kew Plants of the World Online database lists the name as accepted and records its native range as central Madagascar【1】. A later homotypic synonym is Lemurangis floribunda (Bosser) Szlach., Mytnik & Grochocka (2013)【1】. The species is not listed under any other valid scientific name in the consulted sources.

How to Identify This Species

In the field the plant appears as a medium‑sized epiphytic subshrub with a woody stem bearing numerous adventitious roots near the base. Leaves are dull‑green, keeled, ligulate and flat, narrowing slightly toward the base. They are unequally bilobed at the apex and are spaced roughly 1–2 cm (0.4–0.8 in) apart along the stem【2】. Leaf length is reported as under 6 cm in the diagnostic key for the section Lemurangis【3】.

The inflorescence is a short, solitary (or occasionally paired) spike 3–4 cm (1.2–1.6 in) long, bearing one or two flowers【2】. Flowers are green, about 2 cm (0.8 in) across, and are described as “fleshy”. The floral bracts are boat‑shaped and shorter than the ovary. The plant blooms in the cooler months of the year (winter to early spring)【2】. No fragrance is documented in the available sources.

Because many Angraecum species share a similar epiphytic habit and greenish flowers, leaf size (under 6 cm) and the very short inflorescence are useful characters for separating A. floribundum from larger, more floriferous relatives such as A. eburneum.

Native Range and Habitat

The species is endemic to central Madagascar, occurring primarily in wet tropical forests at elevations of roughly 1 100–1 300 m above sea level【1】【2】. It grows as an epiphyte on tree branches in shaded, humid forest interiors, typical of the island’s mid‑elevation rainforests.

Species‑Specific Care

Scroll to explore the table →

Because detailed horticultural studies for A. floribundum are lacking, growers should mimic its natural mid‑elevation forest conditions: provide ample humidity, avoid direct midday sun, and maintain a cool to intermediate temperature regime. Regular watering that keeps the medium moist (but not water‑logged) is advisable, reflecting the species’ origin in a wet tropical biome.

Flowering and Pollination

Flowering occurs in the cooler months, typically winter to early spring in its native range【2】. Individual flowers last for several days, but exact longevity is not recorded. No specific pollinator has been documented for this species; the green, non‑fragrant flowers suggest possible moth pollination, a common syndrome in many Angraecum, but this remains speculative.

Conservation and Responsible Cultivation

The species is listed in the CITES Orchid Checklist as occurring in Madagascar【9】, indicating that international trade is regulated under CITES Appendix II (the standard listing for most orchids). No formal IUCN Red List assessment was found in the supplied sources.

Evidence and Limitations

Key data such as precise temperature tolerances, watering frequencies, and pollinator identity are not documented for Angraecum floribundum. Existing information derives mainly from taxonomic treatments and a horticultural description that lacks quantitative cultural parameters. Further field studies and cultivation trials would be needed to refine care recommendations.