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Phacelia rotundifolia Torr. ex S. Wats.  
Family: Boraginaceae
Round-Leaf Scorpion-Weed, more...roundleaf phacelia, natalgrass
Phacelia rotundifolia image
Patrick Alexander
  • SW Field Guide
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Kearney and Peebles 1969, McDougall 1973
Duration: Annual Nativity: Native Lifeform: Forb/Herb General: Herbaceous annuals, 5-30 cm tall, stems slender and fragile, freely branching, herbage with long glandular or aglandular hairs throughout. Leaves: Alternate, suborbicular, 5-20 mm or more long and wide, margins coarsely toothed, petioles slender, slightly longer than the blade. Flowers: White to pale pink or violet, yellow at the base of the corolla tube, corollas tubular or campanulate to funnelform, about 5 mm long, usually with folds or scales in the tube, calyx 5-parted almost to the base, lobes 2-5 mm long, becoming longer in fruit, stamens 2-3 mm long, glabrous, styles 2 mm long or less, hirsutulous, cleft above, flowers borne in few-flowered cymes. Fruits: Oblong capsules 4 mm long, ends somewhat acute, surface puberulent. Seeds many, round to oblong, to 1 mm, light brown, pitted. Ecology: Found on rocky talus, from 2,000-5,000 ft (610-1524 m); flowering March-May. Distribution: Utah, Nevada, Arizona, California. Notes: Good indicators for this species are the annual duration and the suborbicular leaves. Ethnobotany: There is no use recorded for this species, but other species in this genus have uses. Synonyms: None Editor: LCrumbacher 2012 Etymology: Phacelia is based on the Greek phakelos, meaning "cluster," and alluding to the densely crowded flower spikes of most species of the genus, while rotundifolia means with rounded leaves.
Phacelia rotundifolia
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John Alcock
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Gregory Gust
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The National Science Foundation
Development supported by National Science Foundation Grants (DBI 9983132, BRC 0237418, DBI 0743827, DBI 0847966)
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