AFRICAN

ORCHIDS

Habenaria section Pentaceras ((Thouars)) Schltr. in Bot. Jahrb. Syst. 53: 496 (1915).
Description:

Fairly slender plants with the dorsal sepal erect, forming a hood. Petals bilobed, the lobes usually linear; lip trilobed. Stigmatic arms stout, short, lying along the lip. Flowers green or yellow-green. It is easy to recognize plants as being in this section, but many of the species are very much alike and extremely confusing.

Type species: Habenaria arachnoides Thouars (Madagascar).
Species:

Habenaria amoena Summerh. Tanzania to S. Trop. Africa.
Habenaria arachnoides Thouars C. & SE. Madagasacar.
Habenaria hannae Szlach. Zaïre.
Habenaria leandriana Bosser SW. Madagascar.
Habenaria magnirostris Summerh. Tanzania to S. Trop. Africa.
Habenaria malacophylla Rchb.f. Trop. & S. Africa, S. Arabian Pen.
Habenaria malacophylla var. malacophylla Trop. & S. Africa, S. Arabian Pen.
Habenaria malacophylla var. shabaensis Geerinck S. Zaïre.
Habenaria njamnjamica Kraenzl. Central African Rep. to Sudan and Zambia.
Habenaria orthocentron P.J.Cribb N. Zambia.
Habenaria papyracea Schltr. Nigeria to Sudan and S. Trop. Africa
Habenaria pubidens P.J.Cribb Malawi to Zambia.
Habenaria richardsiae Summerh.  SW. Tanzania.
Habenaria silvatica Schltr. Tanzania to Zambia.
Habenaria supplicans Summerh. S. Zaïre to S. Trop. Africa.
Habenaria tridens Lindl. S. Trop. & S. Africa.
Habenaria uhehensis Schltr. Tanzania to S. Trop. Africa.
Habenaria uncicalcar Summerh. S. Tanzania to S. Trop. Africa.

World Checklist of Monocotyledons. The Board of Trustees of the Royal Botanic Gardens, Kew. Published on the Internet; http://www.kew.org/wcsp/monocots/ accessed 12/23/2009