Poaceae
Chusquea

Chusquea tovarii L.G.Clark

First published in Syst. Bot. 34: 682 (2009)
This species is accepted
The native range of this species is Ecuador to NW. Peru. It is a bamboo and grows primarily in the wet tropical biome.

Descriptions

Morphology General Habit
Perennial; caespitose. Rhizomes short; pachymorph. Culms erect; reed-like; 100-400 cm long; woody. Culm-internodes terete; solid. Lateral branches lacking. Ligule an eciliate membrane. Leaf-blades lanceolate; 90-250 cm long; 45-70 mm wide; coriaceous. Leaf-blade apex attenuate.
Morphology Reproductive morphology Inflorescences
Inflorescence a panicle. Panicle open; lanceolate, or ovate; 60-90 cm long; 7-20 cm wide. Primary panicle branches 4-35 cm long. Spikelets solitary. Fertile spikelets pedicelled.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets comprising 2 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets lanceolate; laterally compressed; 4-5 mm long; breaking up at maturity; disarticulating below each fertile floret.
Fertile
Spikelets comprising 2 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets lanceolate; laterally compressed; 4-5 mm long; breaking up at maturity; disarticulating below each fertile floret.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes persistent; similar; shorter than spikelet. Lower glume ovate; 2-4 mm long; 0.9-1 length of upper glume; coriaceous; without keels. Lower glume apex acuminate. Upper glume ovate; 2.5-4 mm long; 0.6-0.9 length of adjacent fertile lemma; coriaceous; without keels. Upper glume apex acuminate.
Morphology Reproductive morphology Flowers Florets
Basal sterile florets similar; barren; without significant palea; attached to and deciduous with the fertile. Lemma of lower sterile floret ovate; 2.5-3.5 mm long; 0.6-0.7 length of fertile lemma; coriaceous; acute. Lemma of upper sterile floret ovate; 2.5-4 mm long; acute. Fertile lemma ovate; 4-5 mm long; coriaceous; without keel. Lemma apex acute.
Morphology Reproductive morphology Flowers
Lodicules 3. Anthers 3; 2 mm long. Stigmas 2.
Distribution
South America: western South America.
Reference
Bambuseae. Pilger 2012.
[GB]

Sources

  • GrassBase - The Online World Grass Flora

    • http://creativecommons.org/licenses/by-nc-sa/3.0

  • Kew Backbone Distributions

    • The International Plant Names Index and World Checklist of Vascular Plants 2023. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2022 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 2023. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2022 International Plant Names Index and World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0