Linum aristatum Engelm.
Family: Linaceae
bristle flax
[Cathartolinum aristatum (Engelm.) Small,  more]
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Max Licher  
Kearney and Peebles 1969, McDougall 1973, Heil et al. 2013, Allred and Ivey 2012
Duration: Annual Nativity: Native Lifeform: Forb/Herb General: Annual or short-lived perennial herbs, 6-30 cm tall, from a taproot; stems slender, erect and branching throughout; stems and pedicels glabrous or nearly so, the angles usually narrowly thin-winged. Leaves: Alternate, sessile, and appressed-ascending; blade narrowly linear, 5-15 mm long and less than 1 mm wide, with a pointed tip. Flowers: Yellow, small but showy, usually solitary at branch tips; sepals 5, narrow and awn-tipped, 5-9 mm long; petals 5, yellow to yellow-orange, 7-12 mm long, deciduous; styles 5-7 mm long. Fruits: Capsules ellipsoid, 4 mm long, somewhat shorter than the sepals. Ecology: Found in dry sandy places, from 4,000-8,000 ft (1219-2438 m); flowers March-September. Distribution: CO to w TX, NM, and AZ; south to MEX. Notes: The keys to this species are the orangish-yellow 5-petaled flowers; the stems which branch near the base of the plant and also near the top; the styles, which are 5-7 mm long and united, appearing to be one style with several small lobes at the top; and the hairless stems and pedicels. L. australe is similar but the stems are scabrous near the base (covered with short, rough hairs; use your hand lens); mostly branching above the middle or not at all; and the styles are shorter, 2-4 mm long, also united into one stalk as in L. aristatum. Ethnobotany: The Navajo used it as a hemostatic. Etymology: Linum comes from linon, the Greek name for flax; aristatum means with a long, bristle-like tip, referring to the awn-tipped sepals. Synonyms: Cathartolinum aristatum Editor: LCrumbacher 2011, AHazelton 2017
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Patrick Alexander  
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Patrick Alexander  
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Patrick Alexander  
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Patrick Alexander  
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Liz Makings  
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