Lithophragma glabrum Nutt.

Bulbous woodland-star (en)

Species

Angiosperms > Saxifragales > Saxifragaceae > Lithophragma

Characteristics

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.
Life form perennial
Growth form herb
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Sexuality hermaphrodite
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Hardiness (USDA) 4-9

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Images

Flower

Lithophragma glabrum flower picture by Ashley Scholer (cc-by-sa)
Lithophragma glabrum flower picture by Linda Lawliss (cc-by-sa)
Lithophragma glabrum flower picture by Barbara Mack (cc-by-sa)

Distribution

Lithophragma glabrum world distribution map, present in Canada and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:315149-2
WFO ID wfo-0001135544
COL ID 3VKZ5
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Lithophragma glabrum Tellima bulbifera Lithophragma glabrum var. glabrum Lithophragma tenellum var. ramulosum Lithophragma glabrum subsp. bulbiferum Lithophragma glabrum var. bulbiferum

Lower taxons

Lithophragma glabrum var. ramulosum