Melica Brevicoronata
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''Melica brevicoronata'', is a grass species in the family
Poaceae Poaceae ( ), also called Gramineae ( ), is a large and nearly ubiquitous family of monocotyledonous flowering plants commonly known as grasses. It includes the cereal grasses, bamboos, the grasses of natural grassland and species cultivate ...
that can be found in
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, southern South America, and
Cerro Pan de Azúcar Cerro Pan de Azúcar (''Sugar Loaf Hill'') is among the top 10 highest points of Uruguay, with an altitude of 423 metres (1,387.8 ft). Location and features It is located southwest of Maldonado Department, in the municipality of Pirià ...
,
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.


Description

The species is
perennial In horticulture, the term perennial ('' per-'' + '' -ennial'', "through the year") is used to differentiate a plant from shorter-lived annuals and biennials. It has thus been defined as a plant that lives more than 2 years. The term is also ...
with elongated
rhizome In botany and dendrology, a rhizome ( ) is a modified subterranean plant stem that sends out roots and Shoot (botany), shoots from its Node (botany), nodes. Rhizomes are also called creeping rootstalks or just rootstalks. Rhizomes develop from ...
s and pilose butt sheaths. Its culms are erect and are long. Leaf-sheaths are tubular with one of their lengths being closed. Its eciliate membrane is long with leaf-blades being long and wide. They also have scabrous bottom, are pubescent and a bit hairy. The
panicle In botany, 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 p ...
is open, is linear and is long. The main panicle branches are spread out. It
spikelet A spikelet, in botany, describes the typical arrangement of the inflorescences of grasses, sedges and some other monocots. Each spikelet has one or more florets. The spikelets are further grouped into panicles or spikes. The part of the sp ...
s are elliptic, solitary and are long. Fertile spikelets have ciliated, curved and filiform pedicels. Margins of lemma are ciliate. The lemma itself though is long and has obtuse apex. Fertile lemma is chartaceous and is long and wide. Palea have scaberulous keels and surface. Rhachilla is in length and is extended. Lower
glume In botany, a glume is a bract (leaf-like structure) below a spikelet in the inflorescence (flower cluster) of grass Poaceae ( ), also called Gramineae ( ), is a large and nearly ubiquitous family (biology), family of monocotyledonous flow ...
s are elliptic and are long while the upper glumes are lanceolate and are long. Both the lower and upper glumes are obtuse and have asperulous surfaces. Flowers are fleshy, oblong, truncate, and grow together, the 3
anther The stamen (: stamina or stamens) is a part consisting of the male reproductive organs of a flower. Collectively, the stamens form the androecium., p. 10 Morphology and terminology A stamen typically consists of a stalk called the filament ...
s of which are in length. Fruits are brown coloured, ellipsoid and have an additional pericarp and are long with linear hilum.


References

{{Taxonbar, from=Q13932609 brevicoronata Flora of Southern America