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Hydrangeaceae Habit: Perennial herb to small tree or vine. Stem: < 3 m, generally erect; bark generally peeling as thin sheets or narrow strips. Leaf: generally 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, flowers on inflorescence margins occasionally sterile and enlarged; sepals 4--10, free or fused at base, spreading or erect; petals 4--7, free, +- round to narrowly elliptic; stamens 8--12 in 2 whorls or many and clustered, filament base linear or wide and flat; pistil 1, ovary superior to inferior, chambers 2--8, ovules 1--2 or many per chamber, placentas axile or parietal, styles 1--8, free or fused at base. Fruit: capsule, loculicidal or septicidal; styles persistent or not. Seed: generally many, small to minute, oblong to fusiform, winged or not. Genera In Family: 18 genera, +- 250 species: generally temperate, subtropical northern hemisphere; some cultivated for ornament (Carpenteria, Hydrangea, Philadelphus). Note: Philadelphaceae in TJM (1993). Jepson eFlora Author: Robert E. Preston & Charles F. Quibell Reference: Hufford et al. 2001 Int J Pl Sci 162:835--846 Unabridged Reference: Hufford 1997 Int J Pl Sci 158:652--672; Soltis et al. 1995 Amer J Bot 82:504--514 Scientific Editor: Douglas H. Goldman, Bruce G. Baldwin. Index of California Plant Names (ICPN; linked via the Jepson Online Interchange) Key to Hydrangeaceae Previous taxon: Heliotropium europaeum Next taxon: Carpenteria |