Euphorbia graminea (Euphorbia graminea)
Description
Euphorbia graminea Jacq. , is a phanerogamous species belonging to the family of Euphorbiaceae . It is an annual plant , creeping , ascending or erect, hairy (with straight or wavy hairs of light green color, but especially in the tender portions, with a tendency to purple color) or with very few hairs. It reaches 10 to 50 cm (1 m) high. It has a thin stem , dichotomous. The leaves are alternate in the inferior part, opposite in the superior one, tiny stipules , petioles very thin of 0.3 to 3 cm in length, sheets of variable form, usually wide to closely ovate, but sometimes oblong to lanceolate, of 0.5 3 cm long by 0.3 to 2.5 cm wide, apexacute or obtuse, edge almost always whole, very rarely sawed, base cuneate to rounded, thin texture, light green sometimes paler on the underside. The inflorescence are cyatios (special inflorescences of the genus Euphorbia , which resemble a flower) terminal or in the bifurcations of the branches, solitary or in pairs on pedicels 0.2 to 1.5 cm long; Involves flared, 1 mm long, usually hairy, glands 4 or 5, with petaloid appendages, obovate, whitish or sometimes somewhat purple. The fruit is a trilobed capsule, without hairs, of 1.5 to 2 mm high, stylesrather long and thin, bifid sometimes almost from the base; ovoid seeds , prolonged and cylindrical, truncated at the base, 1.5 mm long, white, yellowish or brown, with tubers arranged in rows criss-cross like a grid and in the center of each square there is a hole, caruncle absent or tiny.
Taxonomic tree
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Domain: Eukarya
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Kingdom: Plantae
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Phylum:
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Class: Magnoliopsida
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Order: Malpighiales
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Family: Euphorbiaceae
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Genus: Euphorbia
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