Ischaemum roseotomentosum J.B. Phipps

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Synonyms:
Common names:
Frequency:
Status: Native
Description:
Caespitose perennial; culms up to 130 cm high, mostly erect; leaf laminas 4–15 cm × 5–8 mm, glaucous, tuberculately pilose near the base, prominently nerved, tapering to an acute point. Inflorescence terminal, of single racemes each 5–7 cm long and fragile even when young; rhachis internodes and pedicels densely villous, the hairs pinkish or sometimes golden, the internodes and pedicels themselves yellowish to purple, subequal, subinflated. Sessile spikelet c. 8 mm long, lanceolate (not including the wings of the inferior glume); inferior glume coriaceous, 2-keeled along its length, flat or convex between the keels, densely villous on the back in the inferior 2/3, pilose towards the margins above, winged on the keels, the wings broadening above into lobes up to 1 mm wide, these, together with the emarginate apex of the glume, giving the glume the appearance of being broadly 3-lobed, the central lobe slightly the longest but exceeded by the superior glume; superior lemma with a geniculate awn c. 30 mm long. Pedicelled spikelet 3–4 mm long, barren, much reduced and represented only by its glumes, these similar to those of the sessile spikelet but the inferior longer than the superior.
Notes:
Derivation of specific name:
Habitat: Growing on black basaltic soils and in mopane woodland on alluvium
Altitude range: (metres) 270 - 1200 m
Flowering time:
Worldwide distribution: Zimbabwe
Zimbabwe distribution: W,E,S
Growth form(s):
Endemic status: Endemic
Red data list status:
Insects associated with this species:
Spot characters: Display spot characters for this species
Literature:

Cope, T.A. (2002). Poaceae Flora Zambesiaca 10(4) Page 53.

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 106.

Phipps, J.B. (1963). Ischaemum roseotomentosum, a new species in the Gramineae of Southern Rhodesia Kirkia 3 Pages 30 - 32.


Other sources of information about Ischaemum roseotomentosum:

External websites:

African Plants: A Photo Guide (Senckenberg): Ischaemum roseotomentosum
African Plant Database: Ischaemum roseotomentosum
BHL (Biodiversity Heritage Library): Ischaemum roseotomentosum
EOL (Encyclopedia of Life): Ischaemum roseotomentosum
ePIC (electronic Plant Information Center): Ischaemum roseotomentosum
Flora Zambesiaca web site: Ischaemum roseotomentosum
GBIF (Global Biodiversity Information Facility): Ischaemum roseotomentosum
Google: Web - Images - Scholar
GRIN (Germplasm Resources Information Network): Ischaemum roseotomentosum
iNaturalist: Ischaemum roseotomentosum
IPNI (International Plant Names Index): Ischaemum roseotomentosum
JSTOR Plant Science: Ischaemum roseotomentosum
Kew Herbarium catalogue: Ischaemum roseotomentosum
Kew Monocotyledon checklist: Ischaemum roseotomentosum
Mansfeld World Database of Agricultural and Horticultural Crops: Ischaemum roseotomentosum
Plants of the World Online: Ischaemum roseotomentosum
Tropicos: Ischaemum roseotomentosum
Wikipedia: Ischaemum roseotomentosum


Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2002-21

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2021). Flora of Zimbabwe: Species information: Ischaemum roseotomentosum.
https://www.zimbabweflora.co.zw/speciesdata/species.php?species_id=108440, retrieved 27 September 2021

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