Asclepias macrosperma Eastw. ex Vail

• Region

  North America

• Country

  United States of America

• State/Province

  Utah

• County/Municipio

  San Juan Co.

• Locality

  Dark Canyon Wilderness, Dark Canyon, within 1/2 mile west of Lean-To Canyon

• Township, Range, Section

  34S, 16E, extreme NE1/4NE1/4 S 5

• Elevation

  Alt. 1274 m. (4180 ft.)

• Coordinates

  37.7692, -110.177

• Distribution

  Map all specimens of this taxon

BOTANICAL
GARDE**
NEW YORK BOTANICAL GARDEN
00950741
00950741
mm*
I
ASCLEPIADACEAE OF UTAH
Asclepias macrosperma Eastwood
SAN JUAN COUNTY. Dark Canyon Wilderness, Dark Canyon, within 1/2 mile west of Lean-To Canyon, in vicinity of T3«S R16E extreme NE1/4NE1/4 S. 5, 110°
10.62’ W, 37° 46.15’ N, 4180 ft elevation.
In canyon bottom, in open in cryptogamic or sandy soil,
with Populus, Salix gooddingii, Ephedra torreyana,
Viguiera frutescens resinosa, Vulpia, Fallugia,
Chrysopsis villosa, Gutierrezia, Tamarix, Oenothera
longissima, Cercis occidentalis, Datura wrightii,
Mirabilis multiflora, Physaria newberryi, Astragalus
molissimus, Rhamnns betulaefolia obovata,
Stephanomeria pauciflora, Castilleja linariifolia,
Amsonia tomentosa stenophylla, Thymophylla
pentachaeta, Hymenoxys argentea, Gilia hutchsinfolia,
Gaillardia, Penstemon eatonii, Senecio multilobatus,
Fendlera rupicola, Coleogyne ramosissima,
Chrysothamnus, Stanleya wrightii, Juniperus,
Sphaeralcea leptophylla, Fraxinus anomala, Galium,
Oenothera pallida, Bromus rubens, Rhus trilobata
simplicifolia, Opuntia polyacantha erinacea, Brickellia
microphylla scabra. Local herbaceous perennial, seeds
large.
20 June 1995
Wendy Hodgson 9311
with Ron Hill
Herbarium of Desert Botanical Garden (DES)