Vicia tetrasperma
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Scan day: 05 March 2014 UTC
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Description: Photograph, description, distribution, ecology and economic significance.
AgroAtlas - Weeds - Vicia tetrasperma (L.) Moench - Vetch Tetra-Seed. (L.) Moench - Vetch Tetra-Seed. Family Fabaceae, genus Vicia L. Plant almost bare, 20-50 cm high; stems are thin, weakly clutching, strongly branched. Leaves usually terminated with branched tendril. 3-4 (5) pairs of leaflets; leaflet linear-oblong or linear, 5-20 mm in length, 1-2.5 (3) mm in width. Flowers 1-2 in number, situated on peduncle, small, 5-6 mm in length; calyx is shorter than corolla; teeth of the calyx are triangular-lanceolate; lower teeth longer, exceeding half length of tube. Corolla is whitish, with lilac flag and blue wings. Fruits are beans, located on short stalks, oblong or linear, 8-12 (15) mm in length, about 3.5 mm in width, flat, bare, having 4 seeds (very rarely 3 or 5 seeds). The seeds are spherical, brown. Flowering since May till July.
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| Page title: | AgroAtlas - Weeds - Vicia tetrasperma (L.) Moench - Vetch Tetra-Seed. |
| Keywords: | interactive atlas map economic plant distribution area vegetation diseases pest weed USSR agriculture Russia geography GIS NIS biology photo nature geographic information system handbook ecological maps research investigation pictures download description |
| Description: | description |
| IP-address: | 195.70.197.2 |
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| Date | created: 2005.05.04 Last updated on 2014.03.05 07:56:37 MSK |