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Key to families | Table of families and genera
Indexes to all accepted names and synonyms:
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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 generally ± hairy, often glandular; caudex or rhizome generally not woody, generally scaly. Leaf: basal (cauline); blade linear to (ob)ovate or ± round, base tapered to reniform, margin entire or toothed. Inflorescence: flowers few to many; bracts scale-like. Flower: generally radial; hypanthium free or ± fused to ovary; petals 5, white, sometimes with yellow spots at base; stamens 10, filaments flat or variously inflated; pistils 1 (chambers 2, placentas 2, axile or occasionally proximally axile and distally marginal) or 2, ovary superior to ± inferior (sometimes more superior in fruit), styles free throughout. Fruit: capsule or 2 follicles.Key to Micranthes
± 80 species: North America, Eurasia, South America, especially cool temperate northern hemisphere. (Latin: small flower) [Elvander 1984 Syst Bot Monogr 3:1–44] Intermediates common between Micranthes integrifolia, Micranthes nidifica, Micranthes fragosa, Micranthes aprica; some may be vegetatively reproducing, sterile hybrids. Study needed.
Unabridged references: [Small & Rydberg 1905 N Am Fl 22:132–150]
Plant 10–40 cm; caudex generally producing rhizomes; bulblets 0. Leaf: 5–15 cm; petiole 3–10 cm; blade ovate to elliptic, base truncate to tapered, teeth coarse, sharp to round. Inflorescence: open. Flower: sepals reflexed, generally < petals, ovate to elliptic; petals 2.5–4.5 mm, elliptic or obovate, 2-spotted, ephemeral; filaments inflated distally; nectaries band-like; pistils 2, ovary superior. Fruit: 2 follicles.
Mossy rocks, cliffs; < 2000 m. North Coast, Klamath Ranges, Outer North Coast Ranges; southwestern Oregon. [Saxifraga marshallii Greene] Plants from Klamath Ranges (Marble Mountains) previously incorrectly identified as Micranthes rufidula Small [Saxifraga rufidula (Small) Fedde]. Apr–May [Online Interchange]
Previous taxon: Micranthes integrifolia
Next taxon: Micranthes nidifica
Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Dec 12 2013
Citation for this treatment: [Author of taxon treatment] 2012. Micranthes, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=91947, accessed on Dec 12 2013
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|Bioregions in which Micranthes marshallii occurs||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.|
Chart based on elevation range in eFlora and elevations and coordinates of CCH records.
Data provided by the participants of the Consortium of California Herbaria.
Note: About half of the CCH records include both elevation and coordinates.
| Data provided by the participants of the Consortium of California Herbaria.
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