TREATMENT FROM THE JEPSON MANUAL (1993) |
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Jepson Interchange (more information) |
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©Copyright 1993 by the Regents of the University of California
For up-to-date information about California vascular plants, visit the Jepson eFlora. |
AND IS MAINTAINED FOR ARCHIVAL PURPOSES ONLY |
Perennial or subshrub from caudex or rhizome, generally ± hairy
Stem often ± leafy on lower half, rarely trailing and leafy throughout
Leaves generally simple, basal or sometimes cauline, generally alternate, generally petioled; veins ± palmate
Inflorescence: panicle, generally ± scapose
Flower generally bisexual, generally radial; hypanthium free to ± fused to ovary; calyx lobes generally 5; petals generally 5, free, generally clawed, generally white; stamens generally 5 or 10; pistils 2 and simple or 1 and compound (chambers 12, placentas 24, axile or parietal), ovary superior to inferior, sometimes more superior in fruit, styles generally 2
Fruit: 2 follicles or 24-valved capsule
Seeds generally many, small
Genera in family: 40 genera, 600 species: especially n temp, arctic, alpine; some cultivated (Bergenia , Darmera , Heuchera , Saxifraga , Tellima , Tolmiea )
Reference: [Soltis 1988 Syst Bot 13:6472]
Rhizome slender, scaleless, bearing bulblets
Leaves basal and cauline, reduced, sometimes opposite, more deeply lobed upward; blade round, base cordate to reniform, ± lobed, generally toothed
Inflorescence: raceme; bracts scale-like or 0
Flower: hypanthium generally partly fused to ovary; petals generally lobed or toothed; stamens 10; pistil 1, ovary superior to ± inferior, chamber 1, placentas 3, parietal, styles 3
Fruit: capsule, valves 3
Species in genus: 12 species: w North America
Etymology: (Greek: rock hedge, from habitats)
Reference: [Taylor 1965 U Calif Publs Bot 37:1122]
Generic names ending in "phragma" are considered of neuter, not feminine, gender.
Native |
Leaf: basal blade deeply 3-lobed to ± palmately compound, lobes lobed, teeth ± sharp-tipped
Inflorescence 1050 cm; flowers 414; pedicels 37 mm
Flower: hypanthium long-obconic, part fused to ovary > free part; petals 716 mm, generally obovate, 3-lobed; ovary > half inferior
Seed smooth
Chromosomes: 2n=14,21,28,35
Ecology: Open areas
Elevation: < 3000 m.
Bioregional distribution: Klamath Ranges, North Coast Ranges, Sierra Nevada, Cascade Range Foothills, San Francisco Bay Area, South Coast Ranges, Western Transverse Ranges, Modoc Plateau
Distribution outside California: to British Columbia, South Dakota
Native |
Flower not fragrant; hypanthium ± 2 X longer than wide; petals generally white
Seed 0.50.6 mm
Ecology: Common. Habitat and range of sp
Elevation:
Bioregional distribution: Klamath Ranges, North Coast Ranges, Sierra Nevada, Cascade Range Foothills, San Francisco Bay Area, South Coast Ranges, Western Transverse Ranges, Modoc Plateau