''Melica glabrescens'' is a species of
grass found in
Buenos Aires and
Río Negro,
Argentina.
Description
The species is
perennial with short
rhizome
In botany and dendrology, a rhizome (; , ) is a modified subterranean plant stem that sends out roots and shoots from its nodes. Rhizomes are also called creeping rootstalks or just rootstalks. Rhizomes develop from axillary buds and grow hori ...
s and erect
culms that are long. The leaf-sheaths are scabrous, tubular and closed on one end while the leaf-blades are conduplicate and are wide. They also have ciliate margins and rough, scabrous surface. The membrane is eciliated and is long. The
panicle
A panicle is a much-branched inflorescence. (softcover ). Some authors distinguish it from a compound spike inflorescence, by requiring that the flowers (and fruit) be pedicellate (having a single stem per flower). The branches of a panicle are of ...
is open, linear, is long with scaberulous axis.
Spikelets are obovate, solitary and have fertile spikelets that are
pediceled. The pedicels are filiform, curved, pubescent, and hairy above. The spikelets have 1 fertile floret which is diminished at the apex while the sterile florets are barren, cuneate,
clumped and are long. Both the upper and lower
glumes are keelless and membranous while the other features are different; Lower glume is obovate, long and have an erose apex while the upper one is cuneate, long and have obtuse apex.
[
The species' ]lemma
Lemma may refer to:
Language and linguistics
* Lemma (morphology), the canonical, dictionary or citation form of a word
* Lemma (psycholinguistics), a mental abstraction of a word about to be uttered
Science and mathematics
* Lemma (botany), a ...
have ciliated margins that are hairy in the middle. The lemma also have an acute apex and have chartaceous and lanceolated fertile lemma that is long and wide. Its palea have ciliolated keels, is long and have scaberulous surface. Flowers are ciliate, fleshy, and truncate. They also grow together, are long and have 3 anther
The stamen (plural ''stamina'' or ''stamens'') is the pollen-producing reproductive organ of a flower. Collectively the stamens form the androecium., p. 10
Morphology and terminology
A stamen typically consists of a stalk called the filam ...
s that are long. The fruits are long and are ellipsoid. They also have caryopsis with additional pericarp and linear hilum.[
]
Ecology
Its flowering time is from October to November.[
]
References
{{Taxonbar, from=Q13932639
glabrescens
Endemic flora of Argentina
Flora of Southern America