Small, herbaceous, caulescent perennials; offsetting at and near base; stems mostly erect, up to 250 mm long; roots succulent, terete
Leaves
succulent, short, hard, cauline, usually four-ranked in spirally arranged rows, squarrose-imbricate, ovate-squamiform; apex triquetrous, pungent-acuminate; lower surface keeled towards tip; margins and keel apex minutely scabrid
Inflorescence
a laxly flowered, simple, bracteate raceme, borne horizontally, up to 0.5 m long
Perianth
: tube red to orange, segments connivent, reduplicate-valvate, tips of segments scarcely separated, margins apically minutely crenulate-erose, yellow, upper tenth of segments dark green
Stamens
subequal, filaments light green
Ovary
with many axile ovules; style straight; stigma minute, included or exserted
Capsule
erect, cylindric, apically retuse, chartaceous when dry
Seeds
small, dark brown to black, irregularly angled, shortly winged
x = 7
Nomenclature:
Poellnitzia
Uitewaal
Uitewaal: 61 (1940)
Hunt: t. 804 (1981)
Smith: 75 (1994)
Smith: 35 (1995)
Smith & Van Wyk: 97 (1995)
Haworthia
Duval
Duval: 7 (1809) in part
Dyer: 929 (1976)
Distribution & Notes:
Southern Africa
: Monotypic:
Poellnitzia rubriflora
Uitewaal, endemic to the Robertson Karoo in Western Cape
References:
DUVAL, H.A. 1809.
Plantae succulentae in horto Alenconio
. Gabon, Paris
DYER, R.A. 1976.
The genera of southern African flowering plants
, Vol. 2. Botanical Research Institute, Pretoria
SMITH, G.F. & VAN WYK, B-E. 1995.
Poellnitzia rubriflora
.
Flowering Plants of Africa
54
UITEWAAL, A.J.A. 1940. Een nieuw geslacht der
Aloineae
.
Succulenta
22
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