Family:
Poaceae Barnhart
Genus:
Chloris Sw.

Chloris cucullata Bisch.

This species is accepted, and its native range is Central & S. U.S.A. to Mexico.

[GB]
Morphology General Habit
Perennial; caespitose. Basal innovations flabellate. Culms erect; 15-60 cm long. Leaf-sheaths glabrous on surface. Ligule a ciliolate membrane. Leaf-blades 3-20 cm long; 2-4 mm wide. Leaf-blade surface smooth, or scaberulous.
Morphology Reproductive morphology Inflorescences
Inflorescence composed of racemes. Racemes 10-20; digitate; in several whorls; arcuate, or flexuous; unilateral; 2-5 cm long. Central inflorescence axis 0.2-0.5 cm long. Rhachis subterete; scabrous on surface. Spikelet packing broadside to rhachis; crowded; regular. Spikelets spreading; solitary. Fertile spikelets sessile.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets comprising 1 fertile florets; with diminished florets at the apex. Spikelets cuneate; laterally compressed; 1.5-2 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus bearded; obtuse.
Fertile
Spikelets comprising 1 fertile florets; with diminished florets at the apex. Spikelets cuneate; laterally compressed; 1.5-2 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus bearded; obtuse.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes persistent; similar; shorter than spikelet; thinner than fertile lemma; gaping. Lower glume lanceolate, or ovate; 0.5-0.7 mm long; 0.5 length of upper glume; membranous; 1-keeled; 1 -veined. Lower glume primary vein scaberulous. Lower glume lateral veins absent. Lower glume apex acute. Upper glume obovate; 0.5-0.7 mm long; 0.66-0.75 length of adjacent fertile lemma; membranous; 1-keeled; 1 -veined. Upper glume primary vein scaberulous. Upper glume lateral veins absent. Upper glume apex acute.
Morphology Reproductive morphology Flowers Florets
Fertile lemma elliptic; laterally compressed; 1.5-2 mm long; cartilaginous; yellow, or light brown; keeled; 3 -veined. Lemma midvein ciliate. Lemma margins ciliate. Lemma apex obtuse; mucronate, or awned; 1 -awned. Principal lemma awn subapical; 0.3-1.5 mm long overall. Apical sterile florets 1 in number; barren; orbicular; 1-1.5 mm long. Apical sterile lemmas truncate; muticous, or awned; 1 -awned. Apical sterile lemma awns 0-1.5 mm long; 0-1 per spikelet in number.
Morphology Reproductive morphology Flowers
Lodicules 2; cuneate; fleshy. Anthers 3. Stigmas 2.
Morphology Reproductive morphology Fruits
Caryopsis with adherent pericarp; obovoid; dorsally compressed; trigonous; 0.9-1.2 mm long.
Distribution
North America: north-central USA, south-central USA, and Mexico.
Reference
Cynodonteae. Anderson.

Native to:

Arizona, Arkansas, Florida, Kansas, Mexico Northeast, Mexico Southeast, New Mexico, Oklahoma, South Carolina, Texas

Introduced into:

Maine

Chloris cucullata Bisch. appears in other Kew resources:

First published in Ann. Sci. Nat., Bot., sér. 3, 19: 357 (1853)

Accepted by

  • Clayton, W.D., Harman, K.T. & Williamson, H. (2006). World Grass Species - Synonymy database The Board of Trustees of the Royal Botanic Gardens, Kew.
  • Dávila, P., Mejia-Saulés, M.T., Gómez-Sánchez, N., Valdés-Reyna, J., Ortíz, J.J., Morín, C., Castrejón, J. & Ocampo, A. (2006). Catálogo de las Gramíneas de México: 1-671. CONABIO, México city.
  • Flora of North America Editorial Committee (2003). Flora of North America North of Mexico 25: 1-781. Oxford University Press, New York, Oxford.
  • Powell, A.M. & Worthington, R.D. (2018). Flowering plants of Trans-Pecos Texas and ajacent areas: 1-1444. BRIT Press.

Literature

Kew Backbone Distributions

  • Dávila, P., Mejia-Saulés, M.T., Gómez-Sánchez, N., Valdés-Reyna, J., Ortíz, J.J., Morín, C., Castrejón, J. & Ocampo, A. (2006). Catálogo de las Gramíneas de México: 1-671. CONABIO, México city.
  • Flora of North America Editorial Committee (2003). Flora of North America North of Mexico 25: 1-781. Oxford University Press, New York, Oxford.

  • 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 Selected Plant Families 2022. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
    © Copyright 2017 World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0

  • Kew Names and Taxonomic Backbone

    The International Plant Names Index and World Checklist of Selected Plant Families 2022. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
    © Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0