Alloteropsis cimicina

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Poaceae

English:Summer grass, Bug-seed grass, Cockatoo grass
Kannada:Neeru sajjae hullu
Alloteropsis cimicina specimen

Main specimen

Habit

Alloteropsis cimicina is an annual herb, growing up to 1 m.

Alloteropsis cimicina habit

Alloteropsis cimicina habit

Alloteropsis cimicina habit

Alloteropsis cimicina habit

Alloteropsis cimicina habit

Alloteropsis cimicina habit

Stem Bark

The culms of Alloteropsis cimicina are between 15 cm to 1 m high. 
They are decumbent and canaliculate. 
The nodes are glabrous or with hairs in the tubercle.

Alloteropsis cimicina culm and base of pedicels

Alloteropsis cimicina culm and base of pedicels

Alloteropsis cimicina ciliate culm

Alloteropsis cimicina ciliate culm

Alloteropsis cimicina ciliate culm and node

Alloteropsis cimicina ciliate culm and node

Alloteropsis cimicina roots

Alloteropsis cimicina roots

Alloteropsis cimicina node

Alloteropsis cimicina node

Leaf

The leaves of Alloteropsis cimicina are 2 to 4.5 cm long and less than 2.5 cm wide. 
The leaves are oblong-lanceolate or lanceolate in shape. 
The leaf base is rounded or cordate, the apex is abruptly acute and the margins are ciliate with tubercle-based hairs. 
The sheaths are 5 to 12 cm long, they are covered with tubercle-based hairs. 
The ligule is truncate and fimbriate.

Alloteropsis cimicina full leaf on stem

Alloteropsis cimicina full leaf on stem

Alloteropsis cimicina leaf base and hairy ligule

Alloteropsis cimicina leaf base and hairy ligule

Alloteropsis cimicina leaf (upper side)

Alloteropsis cimicina leaf (upper side)

Alloteropsis cimicina ligule

Alloteropsis cimicina ligule

Alloteropsis cimicina full leaf on stem

Alloteropsis cimicina full leaf on stem

Alloteropsis cimicina leaf apex

Alloteropsis cimicina leaf apex

Alloteropsis cimicina leaf margin

Alloteropsis cimicina leaf margin

Alloteropsis cimicina hairy leaf margins

Alloteropsis cimicina hairy leaf margins

Flower

The flowers of Alloteropsis cimicina are growing in 3 to 8 racemes. 
The racemes can be digitate, umbellate or corymbose. They are 4 to 15 cm long. 
The rachis are angular and scabrid. 
The spikelets are 2-flowered, 2-5 mm long excluding aristate and broadly elliptic. 
The lower glume is 1.5-2 x 1 mm wide, ovate-lanceolate, shortly acuminate and 3-nerved.
The upper glume is 3.5 x 1 mm, broadly ovate, acuminate and 5-nerved. 
The lower floret is male. The upper floret is bisexual. 
The first lemma is 2-3 x 1 mm, ovate and 5-nerved. 
The second lemma is 2-3 x 1 mm, elliptic, with ciliate margins and aristate. 
The arista is 1-3 mm long, erect and scaberulous. 
The palea is 1.5-3 x 0.5-1 mm, ovate or elliptic. 
There are 3 stamens, the anthers are 0.5-1 mm long and yellow. 
The ovary is about 0.5 mm and oblong in shape. The stigmas are 0.5-1 mm and violet in colour.

Alloteropsis cimicina raceme

Alloteropsis cimicina raceme

Alloteropsis cimicina spikelets

Alloteropsis cimicina spikelets

Alloteropsis cimicina spikelets

Alloteropsis cimicina spikelets

Alloteropsis cimicina young green spikelets

Alloteropsis cimicina young green spikelets

Alloteropsis cimicina florets with hanging yellow stamens and purple pistil

Alloteropsis cimicina florets with hanging yellow stamens and purple pistil

Alloteropsis cimicina florets

Alloteropsis cimicina florets

Alloteropsis cimicina florets with purple pistils

Alloteropsis cimicina florets with purple pistils

Alloteropsis cimicina spikelet

Alloteropsis cimicina spikelet

Alloteropsis cimicina floret

Alloteropsis cimicina floret

Fruit

The grains of Alloteropsis cimicina are caryopsis about 1.5 mm long by 1 mm wide. 
They are ovate in shape.

Alloteropsis cimicina mature caryopsis with hairy glumes

Alloteropsis cimicina mature caryopsis with hairy glumes

Alloteropsis cimicina young caryopsis with hairy glume on the margins

Alloteropsis cimicina young caryopsis with hairy glume on the margins

Alloteropsis cimicina glumes with long purple hairs

Alloteropsis cimicina glumes with long purple hairs

Alloteropsis cimicina dry mature glume

Alloteropsis cimicina dry mature glume

Alloteropsis cimicina fruiting spikelet

Alloteropsis cimicina fruiting spikelet

Alloteropsis cimicina dry inflorescence

Alloteropsis cimicina dry inflorescence

Alloteropsis cimicina dry inflorescence

Alloteropsis cimicina dry inflorescence

Alloteropsis cimicina dry inflorescence

Alloteropsis cimicina dry inflorescence

Seed

The grains of Alloteropsis cimicina are about 1.5 mm long by 1 mm wide. 
They are ovate in shape.

Alloteropsis cimicina mature glumes ready to open

Alloteropsis cimicina mature glumes ready to open

Source

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