genus descriptions: SSTAs

Acritochaete

Pilg.
Description:
Straggling annuals, decumbent at base and rooting at lower nodes; culms weak. Leaf blades broadly linear to narrowly lanceolate; ligule membranous. Inflorescence composed of racemes borne along a central axis; rachis triquetrous, bearing solitary pedicellate spikelets. Spikelets narrowly lanceolate, dorsally compressed; lower glume adaxial, ovate,
Distribution:
Monotypic genus: Acritochaete volkensii Pilg., mountains of trop. Africa; sthn trop. Afr.: Zambia.
Source:
SSTA

Mon, 2009-03-23 15:23 -- Emily Smith
Pandanus

Parkinson
Description:
Description as for family.
Distribution:
Species
Source:
SSTA

Mon, 2009-03-23 15:23 -- Emily Smith
Gilgiochloa

Pilg.
Description:
Annuals up to 0.9 m high; culms erect to ascending, pubescent at nodes. Leaf blades flat, crinkled on one margin; ligule a ciliate fringe. Inflorescence a cylindric spiciform panicle; pedicels
Distribution:
Monotypic genus: Gilgiochloa indurata Pilg., central Africa; sthn trop. Afr.: Zambia, Malawi, Mozambique.
Source:
SSTA

Mon, 2009-03-23 15:23 -- Emily Smith
Baptorhachis

Clayton & Renvoize
Description:
Laxly caespitose annuals with ascending culms. Leaf blade flat, sparsely pilose. Inflorescence of 1 (or 2(3) digitately arranged) raceme(s) with broad, colourful, foliaceous rachis, bearing paired spikelets. Spikelets elliptic-oblong, glabrous; upper glume and lower lemma as long as spikelet, 3-nerved, the laterals thickened and bearing a tuft of hair near base, bilobed with an awn from the sinus; lower glume minute; upper lemma cartilaginous, acute, with flat, thin margins enfolding and concealing palea.
Distribution:
Monotypic genus: Baptorhachis foliacea (Clayton) Clayton, only known from Mozambique.
Source:
SSTA
Synonym(s):
Stereochlaena foliacea Clayton: 295 (1978c).

Mon, 2009-03-23 15:23 -- Emily Smith
Roeperocharis

Rchb.f.
Description:
Terrestrial herbs with tuberous roots, leafy stem and terminal inflorescence. Flowers green; sepals and petals free. Lip free, 3-lobed (rarely entire), with cylindrical spur. Column erect; anther thecae divergent, separated by a broad connective; canals hardly developed; pollinaria 2, each with a sectile pollinium, long caudicle and small viscidium. Stigmatic processes each 2-lobed with one lobe projecting down in front of lip-base, the other lobe upright in front of anther connective. Rostellum 3-lobed, mid-lobe low, rounded or emarginate, adnate to connective; side lobes spreading, narrowed towards apex.
Distribution:
Species 5, eastern Africa; sthn trop. Afr. 2, Zambia, Malawi.
Source:
SSTA

Mon, 2009-03-23 15:23 -- Emily Smith
Taeniophyllum

Blume
Description:
Very small leafless epiphytic herbs with short, simple stems; roots abundant, photosynthetic. Inflorescence axillary, racemose. Flowers resupinate,
Distribution:
Species
Source:
SSTA

Mon, 2009-03-23 15:23 -- Emily Smith
Exotheca

Andersson
Description:
Densely caespitose perennials. Leaves linear; sheath produced at mouth into narrow auricles; ligule scarious, adnate to sheath-auricles .Inflorescence composed of paired racemes, pairs each subtended by a spatheole and gathered into a scanty false panicle; racemes short, upper raceme borne on a very long raceme-base, its basal spikelets at
Distribution:
Monotypic genus: Exotheca abyssinica (Hochst. ex A.Rich.) Andersson, Vietnam, and trop. Africa; sthn trop. Afr.: Zambia, Malawi, Mozambique.
Source:
SSTA

Mon, 2009-03-23 15:23 -- Emily Smith
Euclasta

Franch.
Description:
Annuals; culms geniculately ascending, with stilt-roots, barbate at nodes. Leaves: sheath with long, tubercle-based hairs at mouth; lamina linear-lanceolate, drawn out at apex into a setaceous point; midrib whitish, prominent. Inflorescence of subdigitate, pedunculate racemes; racemes with 1
Distribution:
Species 2, tropical America, India, trop. Africa; sthn trop. Afr. 1: Euclasta condylotricha (Hochst. ex Steud.) Stapf, Angola, Zambia, Zimbabwe, Malawi, Mozambique.
Source:
SSTA

Mon, 2009-03-23 15:23 -- Emily Smith
Habrochloa

C.E.Hubb.
Description:
Delicate, very slender, erect or ascending annuals. Leaf blade flat, flaccid, glabrous or loosely pilose. Inflorescence a delicate panicle. Spikelets 3
Distribution:
Monotypic: Habrochloa bullockii C.E.Hubb., trop. Africa; sthn trop. Afr.: Zambia, Zimbabwe, Malawi.
Source:
SSTA

Mon, 2009-03-23 15:23 -- Emily Smith
Schwartzkopffia

Kraenzl.
Description:
Terrestrial herbs only a few centimeters tall, leafless and lacking in chlorophyll. Roots thick, fleshy. Stem short, covered with imbricate sheaths. Flowers 1
Distribution:
Species 2, trop. Africa; sthn trop. Afr. 2, Angola, Zambia, Zimbabwe, Malawi, Mozambique.
Source:
SSTA

Mon, 2009-03-23 15:23 -- Emily Smith

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