Biorepository Data Portal
Home
Search
Sample search
Map search
Dynamic Species List
Taxonomic Explorer
Images
Image Browser
Image Search
Datasets
Research Datasets and Special Collections
Carabidae Checklists with Keys
Checklist: Research Sites - Invertebrates
Checklist: Research Sites - Plants
Checklist: Research Sites - Vertebrates
Sample Use
Sample Use Policy
Sample Request
Sample Archival Request
Dataset Publishing
How to Cite
Additional Information
Tutorials and Help
Biorepository Staff
About NEON
NEON Data Portal
ASU Biocollections
About Symbiota
Getting Started
Login
New Account
Sitemap
Iva axillaris
Pursh
No occurrences found
Family:
Asteraceae
povertyweed
[
Iva axillaris subsp. robustior
(Hook.) Bassett,
more
Iva axillaris var. robustior
Hook.
]
Images
not available
FNA
Resources
John L. Strother in Flora of North America (vol. 21)
Perennials,
10-40(-60) cm (rhizomatous).
Stems
erect (usually herbaceous).
Leaves:
petioles 0-3 mm; blades narrowly ovate or obovate to elliptic or spatulate, 15-25(-45) × 3-8(-15) mm, margins rarely toothed, faces usually ± strigose to scabrellous, gland-dotted.
Heads
in ± racemiform arrays.
Peduncles
1-2 mm.
Involucres
± hemispheric, 2-3 mm.
Phyllaries:
outer 3-5 ± connate, ± herbaceous.
Paleae
linear, 1.5-2 mm.
Pistillate florets
3-5(-8); corollas 0.5-1.5 mm.
Functionally staminate florets
4-8(-20+); corollas 2-2.5 mm.
Cypselae
2.5-3 mm.
2
n
= 36, 54. Flowering May-Oct. Seasonally wet, saline habitats; 10-2500 m; Alta., B.C., Man., Sask.; Ariz., Calif., Colo., Idaho, Kans., Minn., Mont., Nebr., Nev., N.Mex., N.Dak., Okla., Oreg., S.Dak., Tex., Utah., Wash., Wis., Wyo.
Open Interactive Map
Click to Display
0 Total Images