NAZ Flora: A Photographic, Annotated Catalog of Northern Arizona Vascular Plants. Photo shows Lomatium foeniculaceum var. macdougalii (MacDougal's Biscuitroot). Click here to return to home page.

Asclepiadaceae

Milkweed Family


Asclepias asperula ssp. asperula (=Asclepias capricornu, apparently misapplied).  ANTELOPE HORNS.  SPIDER MILKWEED.  Perennial.  Throughout region at 3000-9000 feet [McD].  Northern Hualapai Mountains, Mohave County [JANAS-24/25].


Asclepias brachystephana.  BRACT MILKWEED.  Perennial.  Reported from Yavapai and Coconino counties, 3500-7000 feet [McD].


Asclepias cryptoceras.  PALLID MILKWEED.  Perennial.  Reported from near Pipe Springs, Mohave County, at 5000 feet [McD].


Asclepias cutleri.  CUTLER'S MILKWEED.  Perennial.  Reported from near Rock Point and 27 miles west of Carrizo, Apache County, at about 5000 feet [McD].


Asclepias engelmanniana.  ENGELMANN'S MILKWEED.  Perennial.  Probably in Yavapai County, found in Coconino and Navajo counties, at 4000-7000 feet [McD].


Asclepias erosa.  DESERT MILKWEED.  Perennial.  Mohave County, at 5000 feet and lower.


Asclepias hallii.  HALL'S MILKWEED.  Perennial.  Reported from San Francisco Mountain at "medium high altitudes" [McD].


Asclepias hypoleuca.  MAHOGANY MILKWEED.  Perennial.  Reported from the White Mountains of Apache County [McD].


Asclepias involucrata.  DWARF MILKWEED.  Perennial.  Throughout region, at 3500-7000 feet [McD].


Asclepias latifolia.  BROADLEAF MILKWEED.  Perennial.  Throughout region at 3000-7000 feet [McD].  Northern Hualapai Mountains, Mohave County [JANAS-24/25].


Asclepias nyctaginifolia.  MOJAVE MILKWEED.  Perennial.  Mohave County, 1500-5000 feet [McD].


Asclepias rusbyi.  RUSBY'S MILKWEED.  Perennial.  Northern Hualapai Mountains, Mohave County [JANAS-24/25].


Asclepias speciosa.  SHOWY MILKWEED.  Perennial.  Coconino, Navajo, and Apache counties, 6000-9000 feet [McD].



Asclepias subulata.  RUSH MILKWEED.  Perennial.  Mohave County, at 3000 feet [McD].  Western Mohave County, along Oatman Road south of Oatman at ca. 1680 feet [LD].



Asclepias subverticillata.  POISON MILKWEED.  HORSETAIL MILKWEED.  Perennial.  Throughout region at 2500-8000 feet [McD].  Northern Hualapai Mountains, Mohave County [JANAS-24/25].



Asclepias tuberosa ssp. interior.  BUTTERFLYWEED.  BUTTERFLY MILKWEED.  Perennial.  Throughout region at 4000-8000 feet [McD, A. tuberosa].  Coconino to Apache County and south at 4000-8000 feet [K&P].  Northern Hualapai Mountains, Mohave County [JANAS-24/25].


Asclepias uncialis.  WHEEL MILKWEED.  Perennial.  Reported from the White Mountains of Apache County [McD].


Asclepias viridiflora.  GREEN COMET MILKWEED.  Perennial.  Yavapai and Coconino counties, 5500-7000 feet [McD].


Asclepias welshii.  WELSH'S MILKWEED.  Perennial.  Far northern Coconino County, Paria Wilderness, 4700-6250 feet [ARPC].


Cynanchum utahense.  UTAH SWALLOW-WORT.  Perennial.  Reported from Mohave County, at 1000-2000 feet [McD].


Funastrum crispum (=Sarcostemma crispum).  WAVYLEAF TWINEVINE.  Perennial.  Northrn Hualapai Mountains, Mohave County, where rare [JANAS-24/25].


Funastrum cynanchoides ssp. cynanchoides (=Sarcostemma cynanchoides).  FRINGED TWINEVINE.  Perennial.  Mohave, Yavapai, and Coconino counties, at 1500-4500 feet [McD].



Funastrum cynanchoides ssp. heterophyllum (=Sarcostemma cynanchoides ssp. hartwegii).  HARTWEG'S TWINEVINE.  Perennial.  All counties in the range of this work except Apache, 500-5500 (occasionally 6800) feet [JANAS-27(2)].


Funastrum hirtellum (=Sarcostemma hirtellum).  HAIRY MILKWEED.  Perennial.  Western Mohave County, mostly in the valley of the Colorado River at 2000 feet or lower [McD].


Matelea producta.  TEXAS MILKVINE.  Perennial.  Yavapai County at ca. 3600 feet [McD].  An unidentified species of Matelea collected in Northern Hualapai Mountains, Mohave County [JANAS-24/25].



This page revised 23 June 2007.


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