AFRICAN

ORCHIDS

Angraecopsis section Coenadenium Summerh.
Description:
Plants small; peduncle equaling or shorter than the rhachis; sepals +/- unequal; petals ovate or lanceolate; lip entire or 3-lobed; pollinia attached by 2 short stipites to a common viscidium.
Type:
Angraecopsis breviloba Summerh.
Species:

Angraecopsis holochila Summerh. Ethiopia to N. Uganda.
Angraecopsis malawiensis P.J.Cribb Tanzania to Malawi.
Angraecopsis parva (P.J.Cribb) P.J.Cribb SW. Tanzania to N. Malawi.

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 19.02-2017

Angraecopsis trifurca (Rchb.f.) Schltr., Beih. Bot. Centralbl. 33(2): 428 (1915).
Synonyms:
Aeranthes trifurca Rchb.f., Flora 68: 540 (1885).
Mystacidium trifurcum (Rchb.f.) T.Durand & Schinz, Consp. Fl. Afric. 5: 55 (1894).
Listrostachys trifurca (Rchb.f.) Finet, Bull. Soc. Bot. France 54(9): 51 (1907).
Description:
Plant with a short, erect or pendent stem, to 1 cm long; roots slightly hairy, 1.5–2 mm in diameter. Leaves 4 or 5, linear, falcate, twisted at the base so that they lie in one plane, 12–20 cm long, ca. 1 cm wide. Inflorescence bearing 6 or 7 flowers in the apical quarter, 7–8 cm long. Flowers cream, pale green or pale brown; dorsal sepal ovate, 2.5–3.5 mm long, 1.5 mm wide; lateral sepals linear, 3–7 mm long, 1–1.5 mm wide; petals 3–4 mm long, 2.5 mm wide; lip 3-lobed in the basal half, the side lobes slightly shorter than the mid-lobe, 4–6.5 mm long; spur slender, incurved, 13–16 mm long.
Habitat:
In evergreen rain forest and on mossy rocks, in shade; ca. 1200 m; flowering in April.
Cultivation:
As given for the genus.
Notes:
This species is, in Zimbabwe, known only from an old record from the Nyahode Valley, south of the Chimanimani Mts (A.O. Crook 398, 1951). It is otherwise known from the Comoro Islands, more than 2000 km away. It has not been found again.
Distribution:
Ethiopia, Zimbabwe (Chimanimani Mountains),and Comoro Islands.
References:
Kimberley, M.J. (2003). A List of Epiphytic Orchids of Zimbabwe Excelsa 20 Page 49; La Croix, I. & Cribb, P.J. (1998). Orchidaceae (Part 2) Flora Zambesiaca 11(2) Page 398; WCSP (2017). 'World Checklist of Selected Plant Families. 14.02-2017; http://apps.kew.org/wcsp/
Images:
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Angraecopsis section Cardiochilus Summerh.
Description:
Plants very small; peduncle shorter than the rhachis; sepals unequal; petals elliptic-ovate, rounded; lip entire, cordate or ovate; viscidia 2.
Type:
Angraecopsis pusilla Summerh.
Species:

Angraecopsis pusilla Summerh. E. Zaïre.

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 19.02-2017

Angraecopsis tridens (Lindl.) Schltr., Beih. Bot. Centralbl. 36(2): 141 (1918).
Homotypic Synonyms:
Angraecum tridens Lindl., J. Proc. Linn. Soc., Bot. 6: 135 (1862).
Listrostachys tridens (Lindl.) Rchb.f., Flora 48: 190 (1865).
Epidorchis tridens (Lindl.) Kuntze, Revis. Gen. Pl. 2: 660 (1891).
Mystacidium tridens (Lindl.) Rolfe in D.Oliver & auct. suc. (eds.), Fl. Trop. Afr. 7: 174 (1897).
Heterotypic Synonyms:
Saccolabium occidentale Kraenzl., Bot. Jahrb. Syst. 17: 57 (1893).
Angraecum occidentale (Kraenzl.) Rolfe in D.Oliver & auct. suc. (eds.), Fl. Trop. Afr. 7: 142 (1897).
Angraecopsis occidentalis (Kraenzl.) Schltr., Beih. Bot. Centralbl. 36(2): 140 (1918).
Description:
Plant with short, erect stems, 1–5 cm long. Leaves 2–4 in 2 rows near apex of stem, linear or narrowly ligulate, somewhat curved, 2–12 cm long, 4–15 mm wide. Inflorescences slender, arising from the base of the stem, 4–8 cm long, few- to many flowered; bracts small, 1 mm long; pedicel with ovary shorter than the bracts. Flowers pale or clear green; dorsal sepal oval-lanceolate, acute, 1.5–2 mm long, 1–1.5 mm wide; lateral sepals scarcely widened in the apical half, 3.5–4 mm long; petals oblong-oblanceolate, obtuse, 2–2.7 mm long, 1.5 mm wide; lip 3-lobed near the middle, side lobes slightly longer than the mid-lobe, all lobes linear lanceolate in total 4 mm long; spur shorter than the lip, swollen at the apex, 2–3 mm long.
Habitat:
Epiphyte in montane rain forest; 1250–1500 m; flowering in September.
Cultivation:
As given for the genus, cool growing epiphyte.
Distribution:
Guinea, Bioko, SW. Cameroon
References:
Angraecoid Orchids Stewart, Hermans, Campbell 2006; WCSP (2017). 'World Checklist of Selected Plant Families. 14.02-2017; http://apps.kew.org/wcsp/
Images:
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