Poaceae
Aulonemia

Aulonemia parviflora (J.Presl) McClure

First published in Smithsonian Contr. Bot. 9: 58 (1973)
This species is accepted
The native range of this species is Peru. It is a bamboo and grows primarily in the wet 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: low confidence
[AERP]

Morphology General Habit
Perennial; caespitose. Rhizomes short; pachymorph. Culms erect; 300-500 cm long; woody. Culm-internodes terete; thin-walled. Lateral branches dendroid. Bud complement 1. Branch complement one; solitary; as thick as stem. Ligule an eciliate membrane. Leaf-blade base with a brief petiole-like connection to sheath. Leaf-blades lanceolate; 30-35 cm long; 35-42 mm wide. Leaf-blade venation without cross veins. Leaf-blade surface scabrous. Leaf-blade margins glabrous.
Morphology Reproductive morphology Inflorescences
Inflorescence a panicle. Panicle open; pyramidal; 20-30 cm long. Primary panicle branches ascending. Spikelets appressed; solitary. Fertile spikelets pedicelled.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets comprising 3-4 fertile florets; with diminished florets at the apex. Spikelets linear; laterally compressed; 25 mm long; 0.5-1 mm wide; breaking up at maturity; disarticulating below each fertile floret.
Fertile
Spikelets comprising 3-4 fertile florets; with diminished florets at the apex. Spikelets linear; laterally compressed; 25 mm long; 0.5-1 mm wide; breaking up at maturity; disarticulating below each fertile floret.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes persistent; shorter than spikelet; thinner than fertile lemma. Lower glume lanceolate; 0.5 length of upper glume; membranous; without keels; 3 -veined. Lower glume apex acute, or acuminate. Upper glume ovate; 0.5 length of adjacent fertile lemma; membranous; without keels; 7 -veined. Upper glume apex acute, or acuminate.
Morphology Reproductive morphology Flowers Florets
Fertile lemma oblong; 10-12 mm long; chartaceous; without keel; 7 -veined. Lemma apex acute. Apical sterile florets resembling fertile though underdeveloped.
Morphology Reproductive morphology Flowers
Lodicules 3. Anthers 3. Stigmas 2.
Morphology Reproductive morphology Fruits
Caryopsis with adherent pericarp.
Distribution
South America: western South America.
Reference
Bambuseae. Gr Peru 1995.
[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 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