Poaceae
-
Chloridoideae
-
Pappophoreae
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Schmidtia
Steud. ex J.A.Schmidt
Description
:
Perennial or annual, tufted, sometimes decumbent at base, stoloniferous, sometimes rooting from nodes; culms decumbent, more rarely erect
Leaf blade
and sheaths usually bearing gland-tipped hairs, often viscid; ligule a fringe of hairs
Inflorescence
a panicle, open or contracted; spikelets solitary, shortly pedicelled to subsessile
Spikelet
slightly laterally compressed, disarticulating above glumes; glumes unequal to ± equal, ± as long as spikelet, similar, membranous, green or grey, glabrous or hairy, hairs sometimes glandular, lanceolate, 7-11(14)-nerved, awnless
Florets
4-9, bisexual; upper 1 or 2 florets usually reduced and sterile; lemma dorsally rounded, firmer than glumes, 9-nerved, subcoriaceous, dorsally long-villous towards base, usually scabrid, 6-lobed, lobes alternating with 5 straight, scabrid awns from between lobes; callus minute, pointed, hairy; palea longer than lemma, oblong or elliptic-oblong, 2-keeled, with narrow flaps, stiffly ciliate along keels, cilia very often with interspersed glandular-tipped hairs
Lodicules
2, minute, cuneate, truncate or often with apex shallowly bilobed with gland-tipped hairs
Stamens
3
Ovary
glabrous; styles distinct, plumose
Caryopsis
ellipsoid
x = 9 (polyploidy)
Nomenclature:
Schmidtia
Steud. ex J.A.Schmidt
Schmidt: 144 (1852) name conserved, not of Moench, not of Tratt.
Chippindall: 231 (1955)
Launert: 308 (1965)
Launert: 168 (1970)
Renvoize: 165 (1970)
Launert: 149 (1971)
Clayton & Renvoize: 189 (1986)
Gibbs Russell et al.: 290 (1990)
Watson & Dallwitz: 848 (1994)
Distribution & Notes:
Global
: Species 2, Africa and Pakistan
Southern Africa
: Species 2, widespread
References:
CHIPPINDALL, L.K.A. 1955. A guide to the identification of grasses in South Africa. In D. Meredith,
The grasses and pastures of South Africa
. Central News Agency, Cape Town
CLAYTON, W.D. & RENVOIZE S.A. 1986. Genera graminum. Grasses of the world.
Kew Bulletin
. Additional series 13
GIBBS RUSSELL, G.E., WATSON, L., KOEKEMOER, M., SMOOK, L., BARKER, N.P., ANDERSON, H.M. & DALLWITZ. M.J. 1990. Grasses of southern Africa.
Memoirs of the Botanical Survey of South Africa
No. 58
LAUNERT, E. 1965. The genus
Schmidtia
Steudel.
Gramineae
.
Boletim da Sociedade Broteriana
sér. 2, 39
LAUNERT, E. 1970.
Gramineae
.
Prodromus einer Flora von Südwestafrika
160
LAUNERT, E. 1971.
Gramineae
.
Flora zambesiaca
10, 1
RENVOIZE, S.A.1 970.
Flora of tropical East Africa
.
Gramineae
(Part 1)
SCHMIDT, J.A. 1852.
Beiträge zur Flora der Cap Verdischen Inseln
. E. Mohr, Heidelberg
WATSON, L. & DALLWITZ, M.J. 1994.
The grass genera of the world
, revised edn. CAB International, Oxon
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