Lithophragma glabrum Nutt.  
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Family: Saxifragaceae
bulbiferous fringecup, more...Bulbous Woodlandstar
[Lithophragma bulbiferum Rydb., moreLithophragma glabrum var. bulbiferum (Rydb.) Jeps., Lithophragma glabrum var. ramulosum (Suksd.) B.Boivin, Lithophragma tenellum var. floridum]
Lithophragma glabrum image
Keir Morse  
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Roy L. Taylor in Flora of North America (vol. 8)
Plants (often red), usually fragile, (flowers sometimes replaced with bulbils). Flowering stems simple, 8-35 cm. Leaves in basal rosette and cauline, basal 3-lobed, (segments 3-4-lobed, round), cauline (2-4), 3-lobed or -foliolate, much reduced, similar to basal, (segments or leaflets simple or 1-3-lobed, often with axillary bulbils); stipules large, not decurrent on petiole, (margins fimbriate); petiole 1-4(-8) cm; blade green, orbiculate, base cordate, surfaces nearly glabrous or sparingly hairy. Inflorescences solitary flowers or erect, 2-5(-7)-flowered racemes, often appearing corymbose, rarely branched unless plant with bulbils, (8-20 cm, flowers sometimes replaced with bulbils). Pedicels to 3-4 times length of hypanthium, (flowers long-pedicellate). Flowers persistent, not fragrant, horizontal; hypanthium narrowly campanulate with acute or hemispheric base, elongating slightly in fruit, throat open, (length 2 times diam.); sepals erect in bud, widely spreading after anthesis, triangular; petals (completely exserted), widely spreading, usually pink, rarely white, ovate, narrowly clawed, deeply and palmately 5-lobed, (without serrations at base, sinuses extending 4/5+ to base of lamina), 3.5-7 mm, ultimate margins entire; ovary to 1/2 inferior; styles slightly exserted in fruit; stigma papillae apical. Seeds 0.5-0.6 mm, tuberculate (tubercles in 3-19 rows, blunt or spinelike). 2n = 14, 28. Flowering Feb-Sep. Seacoast bluffs and rocky meadows, open forests, grasslands and sagebrush shrublands to dry, open, gravelly subalpine sites; 30-3600 m; Alta., B.C., Sask.; Calif., Colo., Idaho, Mont., Nev., Oreg., S.Dak., Utah, Wash., Wyo. The presence or absence of bulbils is the only feature distinguishing Lithophragma glabrum and L. bulbiferum; for this reason L. bulbiferum is not recog-nized in this treatment. Bulbil production is extremely variable within the same clone in L. heterophyllum (R. L. Taylor 1965).

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Lithophragma glabrum
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Lithophragma glabrum image
Keir Morse  
Lithophragma glabrum image
Gary A. Monroe  
Lithophragma glabrum image
Keir Morse  
Lithophragma glabrum image
Keir Morse  
Lithophragma glabrum image
Gary A. Monroe  
Lithophragma glabrum image
Keir Morse  
Lithophragma glabrum image
Keir Morse  
Lithophragma glabrum image
Keir Morse  
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Barry Breckling  
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