Description ⁴

Stems erect, green, only occasionally developing some red or purple, usually with primary and some secondary branches, 10-70 cm, ultimate branches often long and cylindric; leaf and bract apices usually obtuse, not mucronate. Spikes cylindric, 2-8 cm, with 5-25 fertile segments; bracts covering only base of cymes. Fertile segments (2d-4th in main spikes) ± cylindric, 3.2-7.6 × 2.4-5 mm, usually longer than wide, margins 0.3-0.4 mm wide, scarious. Central flowers oval or rhombic to semicircular distally, 1.7-3.5 × 1.4-2.7 mm, usually longer than wide, usually not conspicuously larger than lateral flowers, usually not reaching distal edge of segment; anthers always exserted, 0.3-0.5 mm, dehiscing after exsertion. 2n = 36.

Sources and Credits

1. (c) Franco Folini, some rights reserved (CC BY-SA), http://lh6.ggpht.com/-2_HpfW7Xi-M/TmP_z_cbdJI/AAAAAAAACCU/8UYn6Au-tKA/s1024/P9037733.jpg
2. (c) Franco Folini, some rights reserved (CC BY-SA), http://farm7.static.flickr.com/6181/6122382261_74275b373d_b.jpg
3. (c) Franco Folini, some rights reserved (CC BY-NC-SA), http://lh6.ggpht.com/-QVrMzbFXSvU/T3kYTqfafVI/AAAAAAAAEpo/cetTMmjpen4/s1024/1333325047102.jpg
4. (c) Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA, some rights reserved (CC BY-NC-SA), http://eol.org/data_objects/4942232

More Info

• iNat taxon page
• Biodiversity Heritage Library
• BOLD Systems BIN search
• Calflora
• CalPhotos
• eFloras.org
• Flora of North America (beta)
• Global Biodiversity Information Facility (GBIF)
• Go Botany
• HOSTS - a Database of the World's Lepidopteran Hostplants
• IPNI (with links to POWO, WFO, and BHL)
• Jepson eFlora
• Maryland Biodiversity Project
• NatureServe Explorer 2.0
• SEINet Symbiota portals
• Tropicos
• USDA PLANTS database
• VASCAN by Canadensys
• World Flora Online

Range Map

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