Digitaria griffithii (Hook.f.) Henrard

First published in Blumea 1: 100 (1934)
This species is accepted
The native range of this species is Indian Subcontinent, Andaman & Nicobar Islands. 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: not threatened. Confidence: confident
[AERP]

Morphology General Habit
Perennial. Cataphylls evident. Butt sheaths pubescent. Culms erect, or geniculately ascending; 50-100 cm long. Leaf-sheaths glabrous on surface, or hirsute; with tubercle-based hairs. Ligule an eciliate membrane; 3 mm long; lacerate; truncate. Leaf-blades 10-25 cm long; 10-15 mm wide; flaccid. Leaf-blade surface scabrous; rough on both sides; glabrous, or pilose; with tubercle-based hairs. Leaf-blade apex acuminate.
Morphology Reproductive morphology Inflorescences
Inflorescence composed of racemes. Racemes 5-10; digitate; unilateral; 6-13 cm long. Central inflorescence axis 5-6 cm long. Rhachis narrowly winged; angular; scabrous on margins. Spikelet packing distant. Spikelets in pairs. Fertile spikelets pedicelled; 2 in the cluster. Pedicels 2-5 mm long; scabrous.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets lanceolate; dorsally compressed; acute; 2.5-3 mm long; falling entire.
Fertile
Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets lanceolate; dorsally compressed; acute; 2.5-3 mm long; falling entire.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes one the lower absent or obscure; shorter than spikelet. Upper glume ovate; 0.75 length of spikelet; membranous; 3 -veined. Upper glume surface pubescent; hairy between veins. Upper glume apex acute.
Morphology Reproductive morphology Flowers Florets
Basal sterile florets barren; without significant palea. Lemma of lower sterile floret elliptic; 1 length of spikelet; membranous; 5 -veined; with unevenly spaced veins; pubescent; hairy between veins but central interspaces glabrous; acute. Fertile lemma elliptic, or oblong; 2.5-3 mm long; cartilaginous; much thinner on margins; pallid; without keel; 3 -veined. Lemma margins flat; covering most of palea. Lemma apex acute, or apiculate. Palea cartilaginous.
Morphology Reproductive morphology Flowers
Anthers 3; 1.2 mm long.
Morphology Reproductive morphology Fruits
Caryopsis with adherent pericarp.
Distribution
Asia-tropical: India.
Reference
Paniceae. Bor 1993.
[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

    • '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/
  • Kew Backbone Distributions

    • The International Plant Names Index and World Checklist of Vascular Plants 2024. 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 2024. 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