Poaceae
Eragrostis

Eragrostis pseudopoa C.E.Hubb.

First published in Bull. Misc. Inform. Kew 1934: 115 (1934)
This species is accepted
The native range of this species is SW. Tanzania, Northern Prov. It is a perennial and grows primarily in the seasonally dry tropical biome.

Descriptions

Extinction risk predictions for the world's flowering plants to support their conservation (2024). Bachman, S.P., Brown, M.J.M., Leão, T.C.C., Lughadha, E.N., Walker, B.E. https://nph.onlinelibrary.wiley.com/doi/full/10.1111/nph.19592

Conservation
Predicted extinction risk: threatened. Confidence: low confidence
[AERP]

IUCN Red List of Threatened Species https://www.iucnredlist.org/species/179652/1585562

Conservation
EN - endangered
[IUCN]

Morphology General Habit
Perennial; caespitose. Rhizomes short. Culms erect; 50 cm long. Ligule a fringe of hairs. Leaf-blades 5-10 cm long; 1.5-3 mm wide.
Morphology Reproductive morphology Inflorescences
Inflorescence a panicle. Panicle open; ovate; 7-11 cm long. Primary panicle branches reflexed. Panicle branches flexuous. Spikelets solitary. Fertile spikelets pedicelled. Pedicels filiform; 4-12 mm long.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets comprising 5-8 fertile florets; with diminished florets at the apex. Spikelets ovate; laterally compressed; 6-9 mm long; 4-6 mm wide; breaking up at maturity; rhachilla persistent; shedding paleas.
Fertile
Spikelets comprising 5-8 fertile florets; with diminished florets at the apex. Spikelets ovate; laterally compressed; 6-9 mm long; 4-6 mm wide; breaking up at maturity; rhachilla persistent; shedding paleas.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes deciduous; similar; shorter than spikelet. Lower glume lanceolate; 4-5 mm long; 1 length of upper glume; 1-keeled; 1-3 -veined. Lower glume apex acute. Upper glume lanceolate; 4-5 mm long; 1 length of adjacent fertile lemma; 1-keeled; 1-3 -veined. Upper glume apex acute.
Morphology Reproductive morphology Flowers Florets
Fertile lemma elliptic, or ovate; 4-5 mm long; membranous; purple; keeled; 3 -veined. Lemma apex truncate, or obtuse. Palea keels smooth. Apical sterile florets resembling fertile though underdeveloped.
Morphology Reproductive morphology Flowers
Anthers 3; 2.5 mm long.
Distribution
Africa: east tropical.
Reference
Eragrostideae. FTEA.
[GB]

Gramineae, W. D. Clayton, S. M. Phillips & S. A. Renvoize. Flora of Tropical East Africa. 1974

Morphology General Habit
Caespitose perennial from a short underground rhixome; culms 50 cm. high, erect.
Morphology Leaves
Leaf-blades flat, up to 10 cm. long and 3 mm. wide.
Morphology Reproductive morphology Inflorescences
Panicle narrowly ovate, 7–11 cm. long, lax, the branches flexuous and nodding; pedicels slender, 4–12 mm. long.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets 5–8-flowered, ovate, 6–9 mm. long and 4–6 mm. wide, purple, breaking up from the base, the rhachilla persistent; glumes subequal, lanceolate, 4–5 mm. long, 1–3-nerved, acute; lemmas ovate-elliptic, 4–5 mm. long, membranous, neither granular nor rounded on the back, obtuse to truncate; palea falling soon after the lemma, the keels smooth; anthers 3, 2.5 mm. long.
Habitat
Swampy places; 1800–2000 m.
Distribution
T7 not known elsewhere
[FTEA]

Sources

  • Angiosperm Extinction Risk Predictions v1

    • Angiosperm Threat Predictions
    • http://creativecommons.org/licenses/by/4.0

  • Flora of Tropical East Africa

    • Flora of Tropical East Africa
    • http://creativecommons.org/licenses/by-nc-sa/3.0

  • GrassBase - The Online World Grass Flora

    • Clayton, W.D., Vorontsova, M.S., Harman, K.T. and Williamson, H. (2006 onwards). GrassBase - The Online World Grass Flora.
    • http://creativecommons.org/licenses/by-nc-sa/3.0

  • Herbarium Catalogue Specimens

    • 'The Herbarium Catalogue, Royal Botanic Gardens, Kew. Published on the Internet http://www.kew.org/herbcat [accessed on Day Month Year]'. Please enter the date on which you consulted the system.
    • Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/3.0/

  • IUCN Categories

    • IUCN Red List of Threatened Species
    • http://creativecommons.org/licenses/by-nc-sa/3.0

  • Kew Backbone Distributions

    • The International Plant Names Index and World Checklist of Vascular Plants 2025. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2023 World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0

  • Kew Names and Taxonomic Backbone

    • The International Plant Names Index and World Checklist of Vascular Plants 2025. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2023 International Plant Names Index and World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0