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Perennial herb from caudex or rhizome, generally ± hairy. Stem: often ± leafy on proximal 1/2, rarely trailing and leafy throughout. Leaf: generally simple, basal and/or cauline, generally alternate, generally petioled; veins ± palmate. Inflorescence: raceme or 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 3, , 5, 8, or 10; pistils 1 (carpels ± fused, ovary lobed, chambers 1 or 2, placentas generally 2(3), axile or parietal or occasionally proximally axile and distally marginal in ovary lobes) or 2 (carpels free, placentas marginal), ovary nearly superior to inferior, occasionally more superior in fruit, styles generally 2(3). Fruit: capsule (generally 2(3)-beaked, valves generally 2(3), generally equal) or 2 follicles. Seed: generally many, small.
± 30 genera, 600 species: especially northern temperate, arctic, alpine; some cultivated (Bergenia, Darmera, Heuchera, Saxifraga, Tellima, Tolmiea). [Soltis et al. 2001 Ann Missouri Bot Gard 88:669–693; Okuyama et al. 2008 Molec Phylogen Evol 46:560–575] California Mitella moved to Mitellastra, Ozomelis, Pectiantia; Suksdorfia ranunculifolia to Hemieva. Parnassia moved to Parnassiaceae. —Scientific Editor: Bruce G. Baldwin.
Unabridged references: [Soltis 1988 Syst Bot 13:64–72]
Key to Saxifragaceae
Plant ± hairy, glandular; rhizome scaly; bulblets 0. Leaf: basal and cauline, basal 8–38 cm (including petiole), distal reduced; stipules 3–8 mm, elliptic, leaf-like, with irregular teeth and short bristles; blade 2–11.5 cm wide, ovate, base generally cordate, sometimes bearing plantlets, lobes shallow, teeth sharp. Inflorescence: raceme, 10–80 cm; bracts scale-like. Flower: bilateral; hypanthium free of ovary; calyx cleft between lower 2 lobes, upper 3 larger; petals 4, 8–12 mm, thread-like, brown-purple; stamens 3, opposite 3 upper sepals; pistil 1, ovary superior, chamber 1, placentas 2, parietal. Fruit: capsule. Seed: spiny.
2 species: western North America. (W.F. Tolmie, Hudson's Bay Company physician, Fort Vancouver, 1812–1886) [Judd et al. 2007 Brittonia 59: 217–225]
2n=14. Moist streambanks; < 1800 m. Northwestern California, n Central Coast, San Francisco Bay Area; to central Oregon. Morphologically similar Tolmiea menziesii (Pursh) Torr. & A. Gray (2n=28) occurs from central Oregon to Alaska. May–Aug [Online Interchange]
Unabridged note: Expanded author citation: Tolmiea diplomenziesii Judd, Soltis, & P.S. Soltis
Previous taxon: Tolmiea
Next taxon: Scrophulariaceae
Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Sep 21 2014
Citation for this treatment: [Author of taxon treatment] 2013. Tolmiea, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=89306, accessed on Sep 21 2014
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|Geographic subdivisions indicated for the distribution of Tolmiea diplomenziesii|| Markers link to CCH specimen records. If the markers are obscured, reload the page [or change window size and reload]. Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues.
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(Note: any qualifiers in the taxon distribution description, such as 'northern', 'southern', 'adjacent' etc., are not reflected in the map above, and in some cases indication of a taxon in a subdivision is based on a single collection or author-verified occurence).
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