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	©Copyright 1993 by the Regents of the University of California Print edition is available from the University of California Press

	The second edition of The Jepson Manual (2012) is available from the University of California Press
	See also the Jepson eFlora, which parallels the Second Edition

PHILADELPHACEAE

MOCK ORANGE FAMILY

Charles F. Quibell

Shrub, subshrub
Stem < 3 m, generally erect; bark generally peeling as thin sheets or narrow strips
Leaves simple, opposite, deciduous or not, ± hairy; stipules 0; blade ± round to narrowly elliptic, entire or toothed
Inflorescence: cyme, raceme, panicle, or flower 1, terminal or axillary, generally bracted
Flower bisexual, radial; sepals 4–7, free, spreading or erect; petals 4–7, free, ± round to narrowly elliptic, generally white; stamens 10–12 in 2 whorls or many and clustered, filament base linear or wide and flat; pistil 1, ovary superior to 2/3 inferior, chambers 2–8, ovules 1–2 or many per chamber, placentas axile or parietal, styles 3–8, free or fused at base
Fruit: capsule, loculicidal or septicidal; styles persistent or not
Seeds generally many, small to minute
Genera in family: 7 genera, 130 species: temp, subtropical n hemisphere; some cultivated for ornamental (Carpenteria, Deutzia, Philadelphus)
Recent taxonomic note: Recently treated within Hydrangeaceae [Soltis et al. 1995 Amer J Bot 82: 504–514]
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