Puccinellia micrandra (Keng) Keng f. & S.L.Chen

First published in Bull. Bot. Res., Harbin 14: 140 (1994)
This species is accepted
The native range of this species is N. & E. China. It is a perennial and grows primarily in the temperate biome.

Descriptions

Morphology General Habit
Perennial; caespitose; clumped loosely. Culms geniculately ascending; 10-20 cm long; 1 mm diam. Ligule an eciliate membrane; 1 mm long; truncate, or acute. Leaf-blades 2-4 cm long; 1-2 mm wide; grey-green. Leaf-blade surface scabrous; rough adaxially. Leaf-blade margins scabrous.
Morphology Reproductive morphology Inflorescences
Inflorescence a panicle. Panicle open; ovate; 5-8 cm long; 3-5 cm wide. Primary panicle branches 2 -nate; 2-4 cm long. Panicle branches smooth. Spikelets solitary. Fertile spikelets pedicelled. Pedicels 0.5 mm long; scabrous.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets comprising 2-3 fertile florets; with diminished florets at the apex. Spikelets oblong; laterally compressed; 2.5 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus sparsely hairy.
Fertile
Spikelets comprising 2-3 fertile florets; with diminished florets at the apex. Spikelets oblong; laterally compressed; 2.5 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus sparsely hairy.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes persistent; similar; shorter than spikelet. Lower glume ovate; 0.6-1 mm long; 0.5 length of upper glume; membranous; without keels; 1 -veined. Lower glume lateral veins absent. Upper glume elliptic; 1.2 mm long; 0.75 length of adjacent fertile lemma; membranous; without keels; 3 -veined.
Morphology Reproductive morphology Flowers Florets
Fertile lemma oblong; 1.5 mm long; membranous; yellow and purple; suffused with last colour; without keel; 5 -veined. Lemma surface glabrous. Lemma apex truncate. Palea 2 -veined. Palea keels smooth. Apical sterile florets resembling fertile though underdeveloped.
Morphology Reproductive morphology Flowers
Anthers 3; 0.3-0.5 mm long.
Distribution
Asia-temperate: China.
Reference
Poeae. Fl China 2005.
[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 2022. 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 2022. 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