diplostemonous

diplostemonous

(ˌdɪpləʊˈstiːmənəs; -ˈstɛm-)
adj
(Botany) (of plants) having twice as many stamens as petals, esp with the stamens arranged in two whorls
[C19: from New Latin diplostemonus (unattested), from diplo- + -stemonus relating to a stamen]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
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References in periodicals archive ?
Stamen number relative to petals: haplostemonous = 0; diplostemonous = 1; anisomerous (less than petals) = 2; numerous = 3.
Vespertine posterior diplostemonous oik teleroentgenogram.
The caja flowers are hermaphrodite, diclamidious, pentamers and diplostemonous, grouped in terminal inflorescence.
(1985) and Kubitzki (1987), we consider cyperoid flowers to be derived from a typical trimerous, actinomorphic, diplostemonous, monocot flower with a superior syncarpous pistil (e.g.
Indeed, the acceptance of the nectarial stubs as staminodes involves the acceptance of ancestral polyandry in Greyiaceae and Francoaceae, where the related rosid families are all basically diplostemonous.
Theophrastaceae, Sapotaceae, Myrsinaceae, and Primulaceae are examples of the derivation of the obhaplostemonous androecium from diplostemonous ancestors.
In this way a diplostemonous androecium becomes transformed into an (ob)haplo-stemonous one.
The association of Clusiaceae with clades having diplostemonous flowers (e.g., Linales, Ochnaceae, rosids I) supports the acceptance of a staminodial nature of the nectaries in Harungana.