Amaranthus spinosus L.
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Details
Amaranthus spinosus L.
Amaranthus spinosus L.
Nomenclature
L.
L.
ICN
Amaranthus spinosus L.
species
Amaranthus spinosus
Classification
Vernacular names
Descriptions
Amaranthus spinosus L.
Glabrous erect, annual herb with stout, angular stems to c. 1 m high. Petioles slender, to c. 5 cm long. Lamina of infl.-lvs to c. 5 × 1.5 cm, ovate-lanceolate to oblong; veins prominently elevated below; base cuneate to attenuate; apex obtuse, usually with prominent mucro. Infl. to c. 10 cm long, green; terminal spikes slender; main branch much > lateral branches. Lower fl. clusters compact, all ♀, at least some with a pair of spines 6-12 mm long. Longer bracteoles 2.5-3 mm long, ovate with subulate tip and green keel; shorter bracteoles 2-2.5 mm long. Tepals 4-5, 1.5-2 mm long, oblong-obovate, green; keel narrow; apex acute or mucronate. Fr. ovoid-ellipsoid, circumscissile, not exceeding tepals. Seed 0.7-1 mm diam., orbicular, dark brown.
Taxonomic concepts
Collections
Metadata
c90360f0-8831-4bae-9e89-4804d1e5fa95
scientific name
Names_Plants
1 January 2000