Digitaria ciliaris

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Poaceae

English:Wild Crabgrass, Bamboo grass, Large Crabgrass, Summer grass
Digitaria ciliaris specimen

Main specimen

Habit

Digitaria ciliaris is a annual herb with erect culms growing up to 1 m tall. 
The grass is sometimes decumbent, rarely creeping and rooting at the lower nodes.

Digitaria ciliaris habit

Digitaria ciliaris habit

Digitaria ciliaris habit

Digitaria ciliaris habit

Stem Bark

The culms of Digitaria ciliaris are growing from 20 cm to 1 m tall.
They are decumbent at the base and geniculately ascending.

Digitaria ciliaris culm base and roots

Digitaria ciliaris culm base and roots

Digitaria ciliaris node

Digitaria ciliaris node

Digitaria ciliaris rooting stolon

Digitaria ciliaris rooting stolon

Leaf

The leaves of Digitaria ciliaris are linear to linear-lanceolate in shape. 
They are 5 to 20 cm long and 0.3 to 1 cm wide. 
The adaxial surface of the leaves are usually pilose. 
The leaf margins are thickened and scabrous. 
The ligule is less than 2 mm long and has an eciliate membrane.

Digitaria ciliaris leaf base

Digitaria ciliaris leaf base

Digitaria ciliaris ligule

Digitaria ciliaris ligule

Digitaria ciliaris ligule

Digitaria ciliaris ligule

Digitaria ciliaris leaf arrangement

Digitaria ciliaris leaf arrangement

Digitaria ciliaris leaf blade (upper side)

Digitaria ciliaris leaf blade (upper side)

Digitaria ciliaris leaf blade (lower side)

Digitaria ciliaris leaf blade (lower side)

Flower

The inflorescences of Digitaria ciliaris are digitate or subdigitate. 
The axis of the inflorescence can be up to 5 cm long in robust specimens. 
They are composed of 2 to 12 stiff racemes. Each raceme is 6 to 22 cm long. 
The racemes are sometimes adorned with sparse long white hairs. 
There are 3 anthers.

Digitaria ciliaris raceme

Digitaria ciliaris raceme

Digitaria ciliaris floret with white anthers and dark pink pistils

Digitaria ciliaris floret with white anthers and dark pink pistils

Digitaria ciliaris florets with withered anthers

Digitaria ciliaris florets with withered anthers

Digitaria ciliaris terminal florets

Digitaria ciliaris terminal florets

Digitaria ciliaris open raceme

Digitaria ciliaris open raceme

Digitaria ciliaris immature closed raceme

Digitaria ciliaris immature closed raceme

Digitaria ciliaris florets with yellow x-shape anthers and dark pink pistils

Digitaria ciliaris florets with yellow x-shape anthers and dark pink pistils

Digitaria ciliaris florets mature with hairy lemmas

Digitaria ciliaris florets mature with hairy lemmas

Fruit

The fruit of Digitaria ciliaris is a caryopis. 
The grains are ellipsoid in shape and grey to light brown in colour.

Digitaria ciliaris young caryopsis

Digitaria ciliaris young caryopsis

Digitaria ciliaris hairy lemmas

Digitaria ciliaris hairy lemmas

Digitaria ciliaris dry and hairy lemmas

Digitaria ciliaris dry and hairy lemmas

Digitaria ciliaris dry and hairy lemmas

Digitaria ciliaris dry and hairy lemmas

Seed

The fruit of Digitaria ciliaris is a caryopis. 
The grain is ellipsoid in shape, it is grey to light brown in colour.

Digitaria ciliaris old raceme after seeding

Digitaria ciliaris old raceme after seeding

Digitaria ciliaris dry hairy lemmas

Digitaria ciliaris dry hairy lemmas

Human Uses

Digitaria ciliaris is commonly planted for its high protein content, to provide grazing for livestock.

Source

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