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isomerous
isomerous, a. (aɪˈsɒmərəs) [f. as isomer + -ous.] 1. Bot. Of a flower: Having the same number of parts in each whorl. (Said also of the whorls.) Opp. to heteromerous 2 b.1857 Henfrey Bot. §153 When the organs are equal in all the circles, the flowers are isomerous. Ibid., The stamens are mostly isom...
Oxford English Dictionary
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Merosity
If all of the whorls in a given floral arrangement have the same merosity, the flower is said to be isomerous, otherwise the flower is anisomerous. For example, Trillium is isomerous since all whorls are trimerous (one whorl of three sepals, zero or one whorl of three petals, two whorls of three stamens
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isonomic
isonomic, a. (aɪsəʊˈnɒmɪk) [ad. Gr. ἰσονοµικ-ός ‘devoted to equality’, f. ἰσονοµία: see isonomy.] 1. Characterized by isonomy; having equal laws or rights. rare—0.1864 Webster, Isonomic, the same, or equal, in law or right. 2. Chem. Having the same or a similar arrangement of elements; involving ana...
Oxford English Dictionary
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Sympetalae
Sympetalous flowers are found in many angiosperms, but it was the combination of sympetally with a "stamen whorl isomerous and alternate with the corolla-lobes
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heteromerous
heteromerous, a. (hɛtəˈrɒmərəs) [f. Gr. ἑτερο- hetero- + µέρος part + -ous.] Having or consisting of parts differing in character, number, or other respect. 1. Entom. Having legs differing in the number of their tarsal joints; spec. belonging to the division Heteromera of coleopterous insects (see p...
Oxford English Dictionary
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Myrsinoideae
The four or five stamens are usually isomerous with the perianth.
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eucyclic
eucyclic, a. Bot. (juːˈsaɪklɪk) [ad. G. eucyclisch (A. Braun 1858, in Jahrb. f. wissenschaftliche Botanik I. 367), f. eu- + cyclic a.] Cyclic with alternate isomerous whorls (see quots.).1875 Bennett & Dyer tr. Sachs's Text-Bk. Bot. ii. v. 524 Braun calls those flowers eucyclic in which the members ...
Oxford English Dictionary
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Caryophyllaceae
The stamens number five or 10 (or more rarely four or eight), and are mostly isomerous with the perianth.
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symmetrical
symmetrical, a. (sɪˈmɛtrɪkəl) [f. symmetry + -ical, after geometrical. Cf. prec. and next.] Characterized by or exhibiting symmetry. 1. Having the parts or elements regularly and harmoniously arranged; regular in form; well-proportioned; balanced. (Said of natural or artificial bodies or structures,...
Oxford English Dictionary
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Tetrachondra
Each carpel is deeply lobed, giving the impression that there are in fact 4 carpels, ostensibly isomerous with the perianth.
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an-
an-, prefix from various sources. 1. OE. and ME. an-, = an prep. (see prec.) In OE. the orig. an- remained only under the stress, i.e. in ns.; otherwise, it was, like the separate preposition, rounded to on-; thus ˈangin beginning, onˈginnan to begin, onˈb{uacu}tan about. An example of the former re...
Oxford English Dictionary
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Crassulaceae
Most species are herbaceous leaf succulents, with regular 5 part (pentamerous or fivemerous) flowers, isomerous free carpels and one or two whorls of stamens
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花被
有时,两轮花被片的基数相同,有5枚花瓣及5枚萼片,称为等数花 (isomerous);若两轮花被片基数不相同,例如5枚花瓣及4枚萼片,则称为异数花 (anisomerous)。花被基数不论合办花或离办花都可以此描述。
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obdiplostemonous
obdiplostemonous, a. Bot. (ɒbdɪpləʊˈstiːmənəs) [See ob- 2.] Diplostemonous with the disposition of the two stamen-whorls reversed; having the stamens of the outer whorl opposite to, and those of the inner whorl alternate with, the petals. Hence obdiploˈstemony, the condition of being obdiplostemonou...
Oxford English Dictionary
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hyoscine
hyoscine Chem. (ˈhaɪəʊsaɪn) [Arbitrarily f. hyoscyamus) + -ine.] An amorphous alkaloid isomerous with hyoscyamine. (The name was first given by Reichardt to a body which proved to be tropine.)1872 Watts Dict. Chem. Suppl. VI. 726 Hyoscine was obtained as an oily liquid having a strong alkaline react...
Oxford English Dictionary
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