apocarpous


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apocarpous

[¦ap·ə¦kär·pəs]
(botany)
Having carpels separate from each other.
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).
Disc present; ovary apocarpous, postgenitally syncarpous in Beaumontia and Parepigynum, often semi-inferior.
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).
Style head very variably shaped, with thick cylindrical part just above ovaries widening slightly toward apex, narrowing above this into usually bifid apex, which is sometimes much inflated, occasionally long and slender, with 5 stigmatic zones located on sides of lower cylindrical part, p robably just below thickest area behind guide rails, secreting translator just above each guide rail; translator consisting of small, porous, cliplike, brownish corpuscle with flanks and sometimes with floor, sometimes with one or two caudicles (if two then each attaching a pair of pollinia to corpuscle) (Genianthus, Secamonopsis, and some species of Secamone); ovary apocarpous, semi-inferior.
Style head broad, often with flat or concave apex (rarely conical to slenderly conical), sessile on top of ovaries to tapering gradually with narrow neck into them, with 5 stigmatic zones located on sides of lower cylindrical part behind guide rails, secreting translator just above each guide rail; translator consisting of hard, cliplike, brown to black corpuscle, mostly with flanks and floor, with two flexible, translucent caudicles (rarely absent in some Marsdenieae), each of which attaches one pollinium to corpuscle; ovary apocarpous, mostl y superior.