apocarpous


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apocarpous

[¦ap·ə¦kär·pəs]
(botany)
Having carpels separate from each other.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Galycine colleters absent; corolla salveriform (sometimes throat somewhat expanded in Condylocarpan); corolla lobes often deeply inflexed in bud; aestivation sinistrorse; corona absent; style head with neither basal collar nor upper wreath, body uniformly receptive; ovary apocarpous or syncarpous (Lepiniopsis and Chilocarpus); in Plectaneia carpels free except for narrow, congenitally fused region in the center of their ventral flanks) and up to 5-carpellate in Lepinia and Lepiniopsis often stipitate; disc absent, indistinct, or adnate.
Style head variously shaped, epidermis sometimes radially differentiated into 5 secretory and nonsecretory zones, sometimes with collar at base and crest at the apex; stigmatic region on lower cylindrical part on underside; ovary usually apocarpous, sometimes postgenitally syncarpous; ovules mostly numerous per carpel.
Ovary apocarpous or, more rarely, syncarpous (secondarily syncarpous in Nerium).
Style head globose with narrowly conical upper part or broadly fusiform, usually without basal collar and upper wreath; stigmatic region on sides of lower cylindrical part below adnation of anthers; pollen shed onto sides of upper cone; ovary apocarpous; ovules mostly numerous per carpel; nectary disc usually well developed.
Disc present; ovary apocarpous, postgenitally syncarpous in Beaumontia and Parepigynum, often semi-inferior.
Disc present; ovary apocarpous. Follicles usually slender; seeds linear, testa glabrous, with micropylar coma.
Disc present; ovary apocarpous (postgenitally syncarpous in Parsonsia, Artia, Thernardia, Temnadenia, and some spp.
Style head broad and flat topped to tapering from broad base into narrow, often bifid apex, with thick and short to long and slender neck joining it to ovaries and 5 stigmatic zones near lower edge between anthers, with 5 vertically oriented grooves between anthers in which translator secreted; translator consisting of spoon- to cornet-shaped receptacle above (into which pollen/pollinia deposited), with small sticky viscidium at lower end projecting vertically over edge of style head or horizontally beneath it; ovary apocarpous, semi-inferior, rarely superior (Gymnanthera).