Log In New Account Sitemap
  • Home
  • Specimen Search
    • Search Collections
    • Map Search
    • Exsiccati Search
  • Images
    • Image Browser
    • Search Images
  • Flora Projects
    • Arizona
    • New Mexico
    • Colorado Plateau
    • Plant Atlas of Arizona (PAPAZ)
    • Sonoran Desert
    • Teaching Checklists
  • Agency Floras
    • NPS - Intermountain
    • USFWS - Region 2
    • USFS - Southwestern Region
    • BLM Flora
    • Coronado NF
    • Tonto NF
  • Dynamic Floras
    • Dynamic Checklist
    • Dynamic Key
  • Additional Websites
    • New Mexico Flores
    • Plant Atlas Project of Arizona (PAPAZ)
    • Southwest Colorado Wildflowers
    • Vascular Plants of the Gila Wilderness
    • Consortium of Midwest Herbaria
    • Consortium of Southern Rocky Mountain Herbaria
    • Intermountain Region Herbaria Network (IRHN)
    • Mid-Atlantic Herbaria
    • North American Network of Small Herbaria (NANSH)
    • Northern Great Plains Herbaria
    • Red de Herbarios del Noroeste de México (northern Mexico)
    • SERNEC - Southeastern USA
    • Texas Oklahoma Regional Consortium of Herbaria (TORCH)
  • Resources
    • Symbiota Docs
    • Video Tutorials
    • Collections in SEINet
    • Joining a Portal
Symphyotrichum pratense (Raf.) G.L. Nesom  
Family: Asteraceae
Prairie American-Aster, more...barrens silky aster
[Aster pratensis var. texicola Raf., moreSymphyotrichum sericeum var. microphyllum]
Symphyotrichum pratense image
  • FNA
  • Resources
Luc Brouillet, John C. Semple, Geraldine A. Allen, Kenton L. Chambers, Scott D. Sundberg+ in Flora of North America (vol. 20)
Perennials, 40-60 cm, cespitose, eglandular; with cormoid, woody caudices. Stems 5-10+, ascending to erect (brown), glabrous or sparsely strigose distally. Leaves (grayish green) firm, margins entire; basal withering by flowering, sessile, blades (1-3 nerved) elliptic-lanceolate, 20-40 × 10-20 mm, bases attenuate, margins usually entire, rarely remotely serrate, piloso-ciliate, apices acute to obtuse, faces piloso-scabrous; proximal cauline withering by flowering, sessile, blades oblanceolate, 20-30 × 5-13 mm, reduced distally, bases rounded, subclasping, margins entire, scrabrous, apices acute to obtuse, cuspidate-mucronate, faces glabrous or moderately strigose or ± scabrous; distal sessile, blades oblong-lanceolate, 15-25 × 4-6 mm, bases cuneate, margins entire, apices acute, white-spinulose, faces glabrate to moderately strigose or ± scabrous. Heads in open, paniculiform arrays (1-5+ per branch). Peduncles glabrous or sparsely strigose, bracts oblong-lanceolate, grading into phyllaries. Involucres narrowly campanulate, 6-11 mm. Phyllaries in 3-4 series, outer broadly lanceolate, flaring distally , inner linear-lanceolate, subequal, outer foliceous, bases (tan) ± indurate, margins long-piloso-ciliate, green zones foliaceous (outer), apices sometimes purplish, acute (outer) to acuminate (inner), faces glabrous or sparsely short-pilose. Ray florets 13-15(-36); corollas rose-purple, laminae 8-13 × 1-2 mm. Disc florets 16-34(-48); corollas pink turning purple, 4.5-7.5 mm, tubes shorter than narrowly funnelform throats (sometimes thinly puberulent), lobes triangular, 8-13 mm. Cypselae tan to light brown, obovoid, not compressed, ± 3 mm, 5-8-nerved, faces glabrous; pappi tan, 3.5-6 mm. 2n = 10, 20. Flowering Oct-Nov. Prairies, oak woodlands, pine-oak scrub, fields, roadsides; 0-500 m; Ala., Ark., Fla., Ga., Ky., La., Miss., Tenn., Tex., Va.
Symphyotrichum pratense
Open Interactive Map
Symphyotrichum pratense image
Symphyotrichum pratense image
Symphyotrichum pratense image
Symphyotrichum pratense image
Symphyotrichum pratense image
Symphyotrichum pratense image
Symphyotrichum pratense image
Symphyotrichum pratense image
Symphyotrichum pratense image
Symphyotrichum pratense image
Symphyotrichum pratense image
Symphyotrichum pratense image
Symphyotrichum pratense image
Symphyotrichum pratense image
Symphyotrichum pratense image
Symphyotrichum pratense image
Symphyotrichum pratense image
Symphyotrichum pratense image
Symphyotrichum pratense image
Symphyotrichum pratense image
Symphyotrichum pratense image
Symphyotrichum pratense image
Symphyotrichum pratense image
Symphyotrichum pratense image
Symphyotrichum pratense image
Symphyotrichum pratense image
Symphyotrichum pratense image
Symphyotrichum pratense image
Symphyotrichum pratense image
Symphyotrichum pratense image
Symphyotrichum pratense image
Symphyotrichum pratense image
Symphyotrichum pratense image
Symphyotrichum pratense image
Symphyotrichum pratense image
Symphyotrichum pratense image
Symphyotrichum pratense image
Symphyotrichum pratense image
Symphyotrichum pratense image
Symphyotrichum pratense image
Symphyotrichum pratense image
Symphyotrichum pratense image
Symphyotrichum pratense image
Symphyotrichum pratense image
Symphyotrichum pratense image
Symphyotrichum pratense image
Symphyotrichum pratense image
Symphyotrichum pratense image
Symphyotrichum pratense image
Symphyotrichum pratense image
Symphyotrichum pratense image
Symphyotrichum pratense image
Symphyotrichum pratense image
Symphyotrichum pratense image
Symphyotrichum pratense image
Symphyotrichum pratense image
Symphyotrichum pratense image
Symphyotrichum pratense image
Symphyotrichum pratense image
Symphyotrichum pratense image
Symphyotrichum pratense image
Symphyotrichum pratense image
Symphyotrichum pratense image
Symphyotrichum pratense image
Symphyotrichum pratense image
Symphyotrichum pratense image
Symphyotrichum pratense image
Symphyotrichum pratense image
Symphyotrichum pratense image
Symphyotrichum pratense image
Symphyotrichum pratense image
Symphyotrichum pratense image
Symphyotrichum pratense image
Symphyotrichum pratense image
Symphyotrichum pratense image
Symphyotrichum pratense image
Symphyotrichum pratense image
Symphyotrichum pratense image
Symphyotrichum pratense image
Symphyotrichum pratense image
Symphyotrichum pratense image
Symphyotrichum pratense image
Symphyotrichum pratense image
Symphyotrichum pratense image
Symphyotrichum pratense image
Symphyotrichum pratense image
Symphyotrichum pratense image
Symphyotrichum pratense image
Symphyotrichum pratense image
Symphyotrichum pratense image
Symphyotrichum pratense image
Symphyotrichum pratense image
Symphyotrichum pratense image
Symphyotrichum pratense image
Symphyotrichum pratense image
Symphyotrichum pratense image
Symphyotrichum pratense image
Symphyotrichum pratense image
Symphyotrichum pratense image
Click to Display
100 Initial Images
- - - - -
View All Images
The National Science Foundation
Development supported by National Science Foundation Grants (DBI 9983132, BRC 0237418, DBI 0743827, DBI 0847966)
Powered by Symbiota