000			02518nam a2200265 a 4500
003			AR-ReUNN
005			20260702154419.0
008			260630s2010 uk |||||||||||||||||eng
041	0		_aeng
100	1		_aRen, Yi _9160791
700	1		_aChang, Hong-Li _9160792
700	1		_aEndress, Peter K. _9154801
245	1	0	_aFloral development in Anemoneae, Ranunculaceae / Yi Reni; Hong-Li Chang; Peter K. Endress
264		1	_aLondon _bLinnean Society of London _c2010
500			_aBotanical Journal of the Linnean Society, 2010, 162, 77-100. With 15 figures
520			_aThe floral development of two Clematis species and four Anemone species (including Pulsatilla) (Anemoneae, Ranunculaceae) is described. Shared features are: (1) sepals shortly after initiation broad, crescent-shaped, as opposed to the other organs, which are narrow and hemispherical; (2) outermost organs of the androecium often smaller than the others and sometimes sterile; (3) carpels ascidiate, with distinctive stalk, stigma papillate, decurrent; the carpels have one median fertile ovule and a few lateral sterile ovules in all species studied; the fertile ovule appears before the carpel closes. Generic differences are: (1) In Clematis, four sepals are initiated in two pairs; sometimes one of the sepals in the second pair appears to be divided into two organs (double position) resulting in a pentamerous perianth; the first eight stamens are positioned in two alternating whorls, the outer whorl alternating with the four sepals. In Anemone, the perianth organs, if five, are initiated in spiral sequence; in the Pulsatilla group of Anemone, six sepals are initiated in two whorls; the first three organs of the androecium (staminodes) alternate with the inner sepals. (2) Further androecial organs are mostly in complex whorls (i.e. including double positions) in Clematis, but in an irregular spiral or in irregular complex whorls in Anemone. (3) Anther maturation is largely centripetal in Clematis, but centrifugal or bidirectional in Anemone. In Clematis macropetala, the outermost organs of the androecium lack anthers and the filaments expand and become petal-like. In contrast, in the Pulsatilla group of Anemone, these organs retain sterile anthers and become small, capitate organs.
650		4	_aAnemone _9157130
650		4	_aClematis _9157132
650		4	_aRanunculaceae _9144039
650		4	_aFlor _9115254
650		4	_aFilotaxis _9154510
942			_cMON
035			_a(IBONE)75824
001			246019
999			_c246019 _d246019
040			_aAR-ReUNN _bspa _cAR-ReUNN _eaacr2