genus descriptions: SSTAs

Ataenidia

Gagnep.
Description:
Tufted rhizomatous herbs; stems erect or spreading, branched, bearing 1 inflorescence and several leaves. Leaves: petiole long, part directly below blade calloused; blade elliptic, asymmetric, acuminate,
Distribution:
Monotypic genus: Ataenidia conferta (Benth.) Milne-Redh., trop. Africa; sthn trop. Afr.: Angola.
Source:
SSTA
Synonym(s):
Phrynium sensu Schumann: 52 (1902), in part.

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

Lam.
Description:
Description as for family.
Distribution:
Species 20
Source:
SSTA

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

Kunth
Description:
Annual or perennial herbs; stem short or elongate. Leaves spirally arranged, narrow, thin to thick and coriaceous. Capitula single or in umbels, villous; floral bracts present; flowers 2- or 3-merous; petals eglandular. Male flowers: sepals free except at extreme base; petals connate into a glabrous infundibular tube bearing stamens on its truncate upper margin; petal tube finally involute and enclosing stamens; rudimentary pistil present; stamens as many as petals, white. Female flowers: sepals free except at extreme base, and usually becoming rigid at maturity; petals free; style with simple or bifid glandular appendages alternating with stigmas. Seeds variable, often with longitudinal ridges.
Distribution:
Species
Source:
SSTA

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

Noronha ex Thouars
Description:
Submerged, freshwater, annual or perennial herbs, dioecious or bisexual; roots unbranched; stems corm-like and shortly erect, shortly rhizomatous or stoloniferous. Leaves radical or cauline and spirally arranged, sessile, linear to narrowly lanceolate, not differentiated into stipule, petiole and blade, flaccid, translucent, margin usually minutely toothed, midrib usually prominent. Inflorescence: spathe solitary in leaf axil, pedunculate or rarely sessile, 2-lobed at apex, containing 1 or 2(
Distribution:
Species 9, tropical Old World but naturalised in N America and Europe; sthn trop. Afr. 3: Angola, Zambia, Mozambique.
Source:
SSTA

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

Gaertn.
Description:
Herbaceous geophytes, acaulescent; rhizome vertical, cylindric to conical, bearing contractile roots. Leaves tristichous, sessile, linear-elliptic or lanceolate, plicate, becoming pseudopetiolate, sheathing at base with broad hyaline margins; indumentum of 2-armed or 3
Distribution:
Species
Source:
SSTA

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

Van der Merwe
Description:
Fairly robust geophytes. Bulb up to 80 mm in diameter; plate plane with a dense ring of branched roots; bulb leaves imbricate, compact, apically often fibrous; tunic fibrous. Leaves linear to narrowly lanceolate, glabrous. Inflorescence: many-flowered dense racemes on 1(2) erect pubescent scape(s); pedicels 5
Distribution:
Species
Source:
SSTA
Synonym(s):
Scilla in part, in sense of Stedje & Thulin: 594 (1995); Stedje: 10 (1996); Stedje: 1 (1998).

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

Desf. ex Ham.
Description:
Annuals, or tufted to creeping, rhizomatous perennials. Culms with basal nodes. Leaves
Distribution:
Species
Source:
SSTA
Synonym(s):
Scirpus L. in part; Clarke: 446 (1901/1902).

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

Mildbr.
Description:
Deciduous perennials. Rootstock a globose corm with membranous to fibrous tunics. Stem terete, often with several diverging branches. Leaves few, lower 2 or 3 membranous and sheathing (cataphylls); foliage leaves 2
Distribution:
Species 4, trop. Africa; sthn trop. Afr. 1: Zygotritonia nyassana Mildbr., Zambia, N Malawi.
Source:
SSTA

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

K.Schum.
Description:
Acaulescent rhizomatous herbs with leaves and inflorescences on separate shoots. Leaves 1 or 2; lamina elliptic to lanceolate, glabrous; petiole up to twice as long as lamina,
Distribution:
Monotypic genus: Afrocalathea rhizantha (K.Schum.) K.Schum. (= Calathea rhizantha K.Schum.), W trop. Africa; sthn trop. Afr.: Angola.
Source:
SSTA

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

Goldblatt & Marais
Description:
Deciduous perennials. Rootstock a small globose corm with membranous to fibrous tunics. Stem unbranched, erect, compressed and winged above. Leaves few, lower 2 or 3 entirely sheathing (cataphylls); foliage leaves lanceolate, slightly plicate, lowermost
Distribution:
Monotypic: Savannosiphon euryphyllus (Harms) Goldblatt & Marais, SE trop. Africa; sthn trop. Afr.: Zambia, Malawi, Mozambique.
Source:
SSTA
Synonym(s):
Lapeirousia Pourr., in part.

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

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