Poaceae
Eragrostis

Eragrostis terecaulis Renvoize

First published in Gramin. Bolivia: 324 (1998)
This species is accepted
The native range of this species is Bolivia. 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: confident
[AERP]

Morphology General Habit
Perennial; caespitose. Culms geniculately ascending; 18-26 cm long. Culm-internodes terete. Ligule a fringe of hairs. Leaf-blades involute; 2.5-6 cm long; 0.5-1 mm wide. Leaf-blade surface glabrous. Leaf-blade apex acute.
Morphology Reproductive morphology Inflorescences
Inflorescence a panicle. Panicle open; oblong, or ovate; 3.5-5.5 cm long; 2-3 cm wide. Primary panicle branches spreading; 1-2 cm long. Panicle branches glandular (in axils). Spikelets solitary. Fertile spikelets pedicelled.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets comprising 3-5 fertile florets; with diminished florets at the apex. Spikelets oblong; laterally compressed; 3-4.5 mm long; breaking up at maturity; rhachilla persistent; retaining paleas.
Fertile
Spikelets comprising 3-5 fertile florets; with diminished florets at the apex. Spikelets oblong; laterally compressed; 3-4.5 mm long; breaking up at maturity; rhachilla persistent; retaining paleas.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes deciduous; similar; shorter than spikelet. Lower glume lanceolate; 1-1.5 mm long; 0.75 length of upper glume; membranous; 1-keeled; 0-1 -veined. Lower glume lateral veins absent. Lower glume apex acuminate. Upper glume lanceolate; 1-1.5 mm long; 0.75 length of adjacent fertile lemma; membranous; 1-keeled; 0-1 -veined. Upper glume primary vein absent, or distinct. Upper glume lateral veins absent. Upper glume apex acuminate.
Morphology Reproductive morphology Flowers Florets
Fertile florets appressed to rhachilla. Fertile lemma elliptic; 2 mm long; membranous; grey; keeled; 3 -veined. Lemma lateral veins obscure. Lemma apex obtuse, or acute. Palea 1.1 length of lemma. Apical sterile florets resembling fertile though underdeveloped.
Morphology Reproductive morphology Flowers
Lodicules 2; cuneate; fleshy. Anthers 3; 0.75 mm long.
Morphology Reproductive morphology Fruits
Caryopsis with adherent pericarp.
Distribution
South America: western South America.
Reference
Eragrostideae. Harvey 1994.
[GB]

Sources

  • Angiosperm Extinction Risk Predictions v1

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

  • 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

    • Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/3.0/

  • Kew Backbone Distributions

    • The International Plant Names Index and World Checklist of Vascular Plants 2026. 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 2026. 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