homostylous


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ho·mo·sty·lous

 (hō′mō-stī′ləs)
adj.
Having flowers with styles of uniform length, usually equal to that of the stamens.

ho′mo·styled′ adj.
ho′mo·sty′ly n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.homostylous - (botany) having styles all of the same length
phytology, botany - the branch of biology that studies plants
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Species of Didymaea are characterized by their procumbent or climbing stems, opposite leaves with ovate, oblong-ovate, lanceolate, elliptic, or rarely linear blades, small, shallowly to deeply bilobed or geminate interpetiolar stipules, axillary inflorescences with small, bisexual homostylous flowers with calyces reduced or absent, small, white to purple corollas with short tubes and 4-valvate lobes, 4 stamens with dorsifixed anthers, 2-locular ovaries with one axillary ovule per locule, and black, drupaceous fruits that are dimidiate and deeply bisulcate or sometimes subglobose.
Self-incompatible homostylous form of buckwheat with short floral organs.
Our studies (Li & Johnston, unpubl.) on the development of various floral morphs in Amsinckia spectabilis (Boraginaceae) also indicate that both paedomorphic and peramorphic ontogenies are involved in the derivation of small homostylous flowers from their putative ancestor; namely, populations having large distylous flowers (see section IX.B).
The genus Houstonia includes an array of homostylous, distylous, short-styled (presumably self-compatible) and even cleistogamous species (Lewis, 1962), so it seemed important to test for heteromorphic self-incompatibility in our species.
1989) and the geographical distribution of heterostylous and homostylous forms in Amsinckia spectabilis (Ganders 1975).
Waltheria carmensarae, a homostylous species from northeastern Argentina, southeastern Paraguay, and central Venezuela, and W.
The main difference between the species is that the former is heterostylous and the latter homostylous.
Less is known about the mating system of the homostylous species, though these taxa often have flowers of reduced size, and they generally self-pollinate spontaneously.
Quantitative genetics of floral characters of homostylous Turnera ulmifolia var.
This floral condition is referred to as homostyly following Darwin (1877) and other workers on heterostylous groups (e.g., Ornduff 1972; Ganders 1979), who have assumed that homostylous species are derived from heterostylous ancestors through loss of floral morphs and selection for self-fertilization.
Quantitative genetics of floral characters in homostylous Turnera ulmifolia var.