Angraecum section Angraecum Benth., Benth. & Hook. F. Gen. Pl. 3: 583 (1883).
Description:
Epiphytic or lithophytic, very large plants (up to 1 m height); stems short to elongate, internodes long to 5 cm when existing; leaves densely imbricate, coriaceous; inflorescences racemose, suprafoliar, longer than leaves, many-flowered (up to 10), one to five per stem; flowers very large, sepals and petals linear-lanceolate, green; labellum uppermost, orbicular concave, white, apex acuminate; spur medium to very long (up to 45 cm), green, isodiametric from the base, tapering towards the tip; ovary round in section with 360° resupination.
Type:
Angraecum eburneum Bory.
Distribution:
Comoros, Kenya, Madagascar, Mascarenes, Seychelles, Tanzania
Species:

Angraecum crassum Thouars NE. Madagascar.
Angraecum dendrobiopsis Schltr. N. & NC. Madagascar.
Angraecum eburneum Bory SE. Kenya to E. Tanzania (incl. Pemba, Zanzibar), W. Indian Ocean.
Angraecum eburneum subsp. eburneum W. Indian Ocean.
Angraecum eburneum subsp. giryamae (Rendle) Senghas & P.J.Cribb Kenya to E. Tanzania (incl. Pemba, Zanzibar).
Angraecum eburneum subsp. superbum (Thouars) H.Perrier Seychelles, Comoros, Madagascar.
Angraecum eburneum subsp. xerophilum H.Perrier S. Madagascar.
Angraecum florulentum Rchb.f. Comoros (Njazidja).
Angraecum palmiforme Thouars Mascarenes.
Angraecum penzigianum Schltr. E. & SC. Madagascar.
Angraecum protensum Schltr. C. & SC. Madagascar.
Angraecum serpens (H.Perrier) Bosser ENE. Madagascar.
Angraecum sororium Schltr. Madagascar.
Angraecum sesquipedale Thouars E. & SE. Madagascar.
Angraecum sesquipedale var. angustifolium Bosser & Morat SE. Madagascar.
Angraecum sesquipedale var. sesquipedale E. & SE. Madagascar.

World Checklist of Monocotyledons. The Board of Trustees of the Royal Botanic Gardens, Kew. Published on the Internet; http://www.kew.org/wcsp/monocots/ 13/02/2017