Difference between revisions of "Leptochloa fusca subsp. fusca"
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Latest revision as of 17:59, 11 May 2021
Culms 40-170 cm, usually ascending to erect, some¬times decumbent and rooting at the lower nodes, often branching at the upper nodes. Blades glabrous or scabrous, not exceeding the panicles. Panicles 15-105 cm long, 2-20 cm wide, sometimes partially enclosed by the upper leaf sheaths; branches (1.5)4-20 cm, ascending to erect. Spikelets 6-14 mm. Lower glumes 1.9-3(4.9) mm, ovate, obtuse to acute, rarely bifid; upper glumes 3-4.7(5.5) mm, obtuse to acute; lemmas 3-4.7(6) mm, light brown to dark green at maturity, without a basal dark spot, apices obtuse, acute, or acuminate, sometimes bifid; anthers 3, 0.5-2.7 mm. Caryopses 1.6-2.3 mm.
Discussion
Leptochloa fusca subsp. fusca is the most variable of the subspecies. In North America, it is known only from a few specimens collected at scattered locations in California; it may no longer be in the Flora region.
Selected References
None.