Eragrostis castellaneana Buscal. & Muschl.

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Synonyms: Eragrostis caespitosa sensu B.K. Simon, non Chiov.
Common names:
Robust caespitose perennial without rhizomes or stolons; culms up to 150 cm tall, erect, unbranched, glabrous at the nodes (but the internodes densely pilose to glabrous), eglandular; basal leaf sheaths glabrous to shortly pilose below (elsewhere the sheaths glabrous to pilose), chartaceous to firmly chartaceous, terete, eglandular, persistent; ligule a line of hairs; leaf laminas 7.5–20(25) cm × 2.5–6(8) mm, linear, flat or with involute margins, glabrous to pilose, scaberulous, eglandular.Panicle 8–50 cm long, broadly linear to narrowly oblong, loose or rather dense, the spikelets evenly distributed on short slender pedicels up to 0.8 mm long, the primary branches not in whorls, terminating in a fertile spikelet, loosely pilose in the axils, eglandular.Spikelets 2–3.5 × 1.5–2 mm, broadly ovate to ovate-oblong, lightly laterally compressed, 4–9-flowered, the florets disarticulating from the apex downwards, the rhachilla fragile; glumes subequal, 1.2–1.8 mm long, reaching to beyond the middle of the adjacent lemmas, lightly keeled, lanceolate in profile, minutely scaberulous, acute to acuminate at the apex; lemmas 1.3–1.5 mm long, lightly keeled, oblong to obovate-oblong, membranous with distinct lateral nerves, slightly diverging from the rhachilla, those in opposite rows scarcely imbricate, the rhachilla visible between them, purplish, dorsally minutely scaberulous, broadly obtuse and minutely fimbriate at the apex, rarely mucronate; palea glabrous on the flanks, the keels slender, wingless, ciliate with tubercle-based hairs 0.5–0.7 mm long; anthers 3, 0.7–1 mm long.Caryopsis 0.5–0.6 mm long, narrowly elliptic.
Derivation of specific name:
Habitat: Dambo and riverine grassland, wooded grassland, and in long grass beside pans, in sandy and alluvial soils, and in disturbed ground at roadsides and in old cultivated fields
Altitude range: 910 - 1650 m
Flowering time:
Worldwide distribution: Tanzania, Malawi, Mozambique, Zambia, Zimbabwe
Malawi distribution: N,C
Growth form(s):
Endemic status:
Red data list status:
Insects associated with this species:
Spot characters: Display spot characters for this species

Burrows, J.E. & Willis, C.K. (eds) (2005). Plants of the Nyika Plateau Southern African Botanical Diversity Network Report No. 31 SABONET, Pretoria Page 345.

Cope, T.A. (1999). Poaceae Flora Zambesiaca 10(2) Pages 67 - 68. (Includes a picture).

Jackson, G. & Wiehe, P.O. (1958). An Annotated Check List of Nyasaland Grasses The Government Printer, Zomba, Nyasaland Page 39.

Mapaura, A. & Timberlake, J. (eds) (2004). A checklist of Zimbabwean vascular plants Southern African Botanical Diversity Network Report No. 33 Sabonet, Pretoria and Harare Page 103.

Poilecot, P. (2007). Eragrostis species of Zimbabwe Éditions Quae,Versailles, France Pages 62 - 63. (Includes a picture).

Other sources of information about Eragrostis castellaneana:

Our websites:

Flora of Caprivi: cultivated Eragrostis castellaneana
Flora of Mozambique: Eragrostis castellaneana
Flora of Zambia: Eragrostis castellaneana
Flora of Zimbabwe: Eragrostis castellaneana

External websites:

African Plants: A Photo Guide (Senckenberg): Eragrostis castellaneana
BHL (Biodiversity Heritage Library): Eragrostis castellaneana
EOL (Encyclopedia of Life): Eragrostis castellaneana
GBIF (Global Biodiversity Information Facility): Eragrostis castellaneana
Google: Web - Images - Scholar
iNaturalist: Eragrostis castellaneana
IPNI (International Plant Names Index): Eragrostis castellaneana
JSTOR Plant Science: Eragrostis castellaneana
Mansfeld World Database of Agricultural and Horticultural Crops: Eragrostis castellaneana
Plants of the World Online: Eragrostis castellaneana
Tropicos: Eragrostis castellaneana
Wikipedia: Eragrostis castellaneana

Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2014-24

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2024). Flora of Malawi: Species information: Eragrostis castellaneana., retrieved 25 April 2024

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