Stipagrostis hochstetteriana
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Image 1
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03 Mar 2009
Image 2
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03 Jul 2009
Image 3
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03 Jul 2009
| Family: | Poaceae |
| Full name: | Stipagrostis hochstetteriana (L.C.Beck ex Hack.) De Winter |
| ID status: | Fairly certain |
| Afrikaans common name(s): | Gemsbokstertgras |
| English common name(s): | Gemsbok-tail grass, Spike bushman grass, Rye bushman grass |
| Synonym(s): | - |
| Status: | Native |
| Description: | HABIT Perennial; caespitose; clumped densely. Culms erect; 50-90 cm long; 2-4 -noded. Culm-internodes smooth, or scaberulous; distally glabrous. Culm-nodes glabrous. Lateral branches lacking. Leaves mostly basal. Leaf-sheaths glabrous on surface, or pilose. Ligule a fringe of hairs. Leaf-blades filiform; convolute; 25-40 cm long; 2-2.5 mm wide. Leaf-blade surface scabrous; rough adaxially; glabrous, or pilose; sparsely hairy; hairy abaxially. INFLORESCENCE Inflorescence a panicle.Panicle contracted, or spiciform; linear; 5-9 cm long; 0.5 cm wide. Spikelets solitary. Fertile spikelets pedicelled. FERTILE SPIKELETS Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets lanceolate; subterete; 15-20 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus elongated; 2 mm long; pubescent; pungent. GLUMES Glumes persistent; similar; exceeding apex of florets; thinner than fertile lemma. Lower glume linear, or lanceolate; 15-20 mm long; 1 length of upper glume; membranous; without keels; 3 -veined. Lower glume surface glabrous, or pilose. Lower glume apex acuminate. Upper glume linear, or lanceolate; 15-20 mm long; 3 length of adjacent fertile lemma; membranous; without keels; 3 -veined. Upper glume apex acuminate. FLORETS Fertile lemma oblong; 5-6 mm long; coriaceous; without keel; 3 -veined. Lemma margins convolute; covering most of palea. Lemma apex acute; awned; 3 -awned. Principal lemma awn 3-branched; with 40-100 mm long limb; with a straight or slightly twisted column; deciduous; abscissing across body of lemma; limb plumose; glabrescent towards base of limb. Column of lemma awn 1-2 mm long. Lateral lemma awns 20-40 mm long; shorter than principal; glabrous. Palea without keels. FRUIT Caryopsis with adherent pericarp; fusiform; 3.5 mm long. Hilum linear; 1 length of caryopsis. (from RBG Kew: GrassBase - The Online World Grass Flora) |
| Link(s) |
African Plant Database
JSTOR Plant Science Kew Herbarium Catalogue BGBM Berlin-Dahlem - Virtual Herbarium Züricher Herbarien iNaturalist (Namibia / Alex Dreyer) iNaturalist (Namibia) iNaturalist (southern Africa) Flora of Zimbabwe Fleurs de notre Terre - Galerie Namibie Tree Atlas of Namibia |
| Content last updated: | 01 Jun 2020 |
