Poaceae
Chusquea

Chusquea tuberculosa Swallen

First published in J. Washington Acad. Sci. 21: 14 (1931)
This species is accepted
The native range of this species is NE. Colombia. It is a bamboo and grows primarily in the wet tropical biome.

Descriptions

Bernal, R., Gradstein, S.R. & Celis, M. (eds.). 2015. Catálogo de plantas y líquenes de Colombia. Instituto de Ciencias Naturales, Universidad Nacional de Colombia, Bogotá. http://catalogoplantasdecolombia.unal.edu.co

Distribution
Endémica y nativa en Colombia; Alt. 2500 m.; Andes.
Morphology General Habit
Trepadora
Conservation
No Evaluada
[CPLC]

Distribution
Biogeografic region: Andean. Elevation range: 2500–2500 m a.s.l. Endemic to Colombia. Colombian departments: Santander.
Habit
Climbing.
[UPFC]

Morphology General Habit
Perennial. Culms scandent; 3-6 mm diam.; woody. Culm-internodes terete; solid; papillose. Culm-nodes pubescent. Lateral branches dendroid. Branch complement many; in a clump; thinner than stem. Ligule an eciliate membrane. Collar with external ligule. Leaf-blade base with a brief petiole-like connection to sheath. Leaf-blades lanceolate, or ovate; 2-3 cm long; 4-10 mm wide. Leaf-blade surface smooth; glabrous. Leaf-blade margins scabrous. Leaf-blade apex acuminate.
Morphology Reproductive morphology Inflorescences
Inflorescence a panicle. Panicle open; ovate; 7-10 cm long; 5-6 cm wide. Primary panicle branches spreading. Panicle axis pilose. Panicle branches stiff; pilose. Spikelets solitary. Fertile spikelets pedicelled.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets comprising 2 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets oblong; laterally compressed; 6-7 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 oblong; laterally compressed; 6-7 mm long; breaking up at maturity; disarticulating below each fertile floret.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes both absent or obscure.
Morphology Reproductive morphology Flowers Florets
Basal sterile florets barren; without significant palea; attached to and deciduous with the fertile. Lemma of lower sterile floret ovate; 5 mm long; 0.8-0.9 length of fertile lemma; chartaceous; 3 -veined; acute. Lemma of upper sterile floret ovate; 5 mm long; chartaceous; acute. Fertile lemma ovate; 6 mm long; coriaceous; without keel; 7 -veined. Lemma apex acute.
Morphology Reproductive morphology Flowers
Lodicules 3; membranous. Anthers 3. Stigmas 2.
Morphology Reproductive morphology Fruits
Caryopsis with adherent pericarp; apex unappendaged.
Distribution
South America: western South America.
Reference
Bambuseae. Swallen 2001.
[GB]

Sources

  • Catálogo de Plantas y Líquenes de Colombia

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

  • 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 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

  • Useful Plants and Fungi of Colombia

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