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trigenous. In DICTIOUS you will not only get to know all the dictionary meanings for the word
trigenous, but we will also tell you about its etymology, its characteristics and you will know how to say
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English
Etymology
tri- + -genous
Adjective
trigenous (not comparable)
- (botany, zoology) Involving groups of three; arranged in threes.
- 1927, Arthur Edward Osmaston, A Forest Flora for Kumaon, Superintendent, Government Press, United Provinces, page xxxiii:
- LXXI.—Polygonaceæ.—Herbs or shrubs. Leaves alternate, entire, stipules usually sheathing. Flowers small and usually bisexual. Perianth-segments 3-6, persistent. Stamens usually 5-8, opposite the perianth-segments. Ovary 1-celled, free, compressed or trigenous, ovule 1. Fruit a nut, enclosed in the perianth.
1936, Freerk Wit, Contributions to the genetics of the china aster, M. Nijhoff, page 82:Simultaneously with the seed of the self-pollinated F2 plants, seed of the self-pollinated F1 plants was again sown; the trigenous segregation was here hardly to be observed. The figures of both segregations are given in the following table.
1967, Flora of the U.S.S.R., Washington, D.C.: National Science Foundation, page 20:Calyx much longer than the corolla, both rose-violet or rarely white; leaves 1.5-2.5 mm long, scalelike, trigenous, sagittate at base, sessile, imbricated in 4 series ... 1108. Calluna Salisb.
- 2006, Standardisation of Single Drugs of Unani Medicine (Part 4), Central Council for Research in Unani Medicine, Ministry of Health and Family Welfare, Government of India, page 210:
- The inner surface of the seed coat is more smooth that the outer one. The wings are papery, light green and brittle when dried. The trigenous kernel is creamish coloured when young. The embryo is small and situated at one end of the cotyledons. The average weight of a single seed (ten seeds weighed separately) is 0.12g and the range of variation is 0.07 to 0.17g.
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