Plant Index


 
 
 

Asclepias rubra

Asclepias rubra L.

red milkweed, purple savanna milkweed

Synonym(s): Asclepias laurifolia
Asclepias rubra (Red Milkweed)
Image ID: 8574
Image by: Parkins, Grant Morrow
Image Collection: NCBG Digital Library

PLANT INDEX

ID_PLANT: ASRU
SCIENTIFIC NAME: Asclepias rubra
Include in WOTAS: 1
Publish to Web: 1
Last Modified: 2018-11-26

GENUS INDEX

GENUS CODE: ASCLE
GENUS SCIENTIFIC: Asclepias
GENUS AUTHORITY: L.
GENUS COMMON: Milkweed
GENUS SUMMARY: A genus of about 100 species, herbs, temperate and tropical, of North and Central America.
GENUS IDENTIFICATION:
GENUS REFERENCES: Woodson (1954)=Z; Turner (2009b)=Y; Farmer & Bell (1985)=X.

FAMILY INDEX

FAMILY CODE: APOCYN
FAMILY SCIENTIFIC: Apocynaceae
FAMILY AUTHORITY: A.L. de Jussieu 1789
FAMILY COMMON: Dogbane Family
FAMILY SUMMARY: As here circumscribed including the Asclepiadaceae, a family of about 480 genera and about 4800 species, lianas, shrubs, herbs, and trees, widespread in tropical and temperate areas. There appears to be overwhelming evidence favoring the combination of the Asclepiadaceae into the Apocynaceae; see, for instance, Rosatti (1989), Sennblad & Bremer (1996), and many others.
FAMILY REFERENCE: Rosatti (1989); Liede (1997a).

NCBG DESCRIPTIVES

INTRO: Erect perennial of pocosin ecotones, wet pine savannas, sandhill seeps and seepage swamps.
STEMS: Stem solitary, unbranched, with 3-5 leaf nodes, smooth or with hair in lines between nodes; leaks milky sap when bruised.
LEAVES: Leaves opposite, sessile or nearly so, lance-shaped and round or weakly heart-shaped at the base, 3 1/2-5 in. long, margins wavy, sparsely hairy.
INFLORESCENCE:
FLOWERS: Flowers in rounded terminal and upper axillary umbels, about 1.5 in. wide; flowers dull red to pinkish-purple, 1/2-3/4 in. long, consisting of 5 strongly reflexed corolla lobes and a lighter-colored central crown--composed of 5 2-parted appendages (“hood” and “horn”)--surrounding a complex structure of fused anthers and style.
FRUITS: Fruit an erect, narrowly spindle-shaped follicle containing tufted seeds.
COMMENTS:
HEIGHT: 1 1/2-4 ft.

DURATION: Perennial
HABIT: Herb

LEAF ARRANGEMENT: Opposite
LEAF COMPLEXITY: Simple
LEAF RETENTION:

FLORAL CHARACTERISTICS
SYMMETRY: Radial (Actinomorphic)
BLOOM TIME: Jun-Jul
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
x x x x

BLOOM COLOR: Dull-red to pinkish-purple
White Red Pink Orange Yellow Green Blue Lavender Purple Violet Brown Not Applicable
x x x x

FRUITING PERIOD: Jul-Sep.

DISTRIBUTION
HABITAT TYPE: Bogs/pocosins, Pine savannas
NATIVE RANGE: eastern United States

HORTICULTURAL
Plant Sale Text: Poke Milkweed has terminal umbels of white flowers, sometimes tinged with a lavender or greenish tint. The flowers are produced in such profusion that overall this plant is quite showy when in bloom. The flowers of this southeastern native species are arranged in large, drooping umbels. The nectar of the flowers attracts many butterflies. This species is also a host plant for the larvae of Monarch and other species of butterflies. Poke Milkweed grows at the edges of woods and along roadsides.

Bloom Table Text:

NCBG Location:

Cultural Notes:

SOIL MOISTURE: Average, Moist/Wet
LIGHT EXPOSURE: Sun, Part Shade
MINIMUM HARDINESS ZONE: 3
MAXIMUM HARDINESS ZONE: 8
GERMINATION CODE:
WILDLIFE VALUE: Bee Friendly, Butterfly Friendly
DEER RESISTANCE:

GRIM ACCESSIONS

acc_id acc_num acc_dt coll_id Action
68 2013-0017 2013-07-01 71 View
251 2011-0091 2011-05-04 254 View


GRIM COLLECTIONS

Coll_id Project Collection date Collector Action
71 HORT 2010-12-21 Poythress View
254 HORT 2009-01-01 Walker View


GRIM PLANTINGS

plt_num acc_id loc_num pers_num inst_dt Action
88 68 64 Liloia 2013-06-18 View
588 251 44 Liloia 2011-04-29 View
589 251 44 NCBG staff 2011-05-10 View
590 251 44 NCBG staff 2011-06-28 View

USDA PLANTS DATABASE

USDA Symbol: ASRU
USDA Common Name: Red Milkweed
Native Status: L48 (N)
Distribution: USA (AL, AR, DC, DE, FL, GA, LA, MD, MS, NC, NJ, NY, PA, SC, TX, VA)
Duration: Perennial
Growth Habit: Forb/herb

NATIONAL WETLAND INDICATOR STATUS

Region:AGCPAKAWCBEMPGPHIMWNCNEWMVE
Status: OBL OBL OBL OBL

This information is derived from the U.S. Army Corps of Engineers 2016 National Wetland Plant List, Version 3.3 (Lichvar, R.W., D.L. Banks, W.N. Kirchner, and N.C. Melvin. 2016. The National Wetland Plant List: 2016 wetland ratings. Phytoneuron 2016-30: 1-17. Published 28 April 2016. ISSN 2153 733X). Regions: AGCP-Atlantic and Gulf Coastal Plain, AK-Alaska, AW-Arid West, CB-Caribbean, EMP-Eastern Mountains and Piedmont, GP-Great Plains, HI-Hawaii, MW-Midwest, NCNE-Northcentral and Northeast, WMCV-Western Mountains, Valleys & Coast

WEAKLEY FLORA

SCIENTIFIC NAME: Asclepias rubra
COMMON NAME: Purple Savanna Milkweed, "Red Milkweed."
SYNONYMY: [= C, F, G, GW, K, Pa, RAB, Va, WH3, Z; > A. rubra - S; > A. laurifolia Michaux - S; > A. rubra var. rubra; > A. rubra var. laurifolia (Michaux) Harper]
PHENOLOGY: Jun-Jul; Jul-Sep.
HABITAT: Pocosin ecotones, wet pine savannas, sandhill seeps, seepage swamps.
COMMENTS: Se. NY (Long Island), se. PA, and NJ south to wc. GA and w. Panhandle FL, west to e. TX. A. laurifolia is alleged to differ in sessile, cordate-clasping leaf bases (vs. petioled and rounded), and other characters (see Small 1933); it may warrant recognition and needs additional study.
RANGE MAP: Asclepias rubra.png

Key to Map Symbols
ABOUT FAMILY (Weakley Flora)
Apocynaceae A.L. de Jussieu 1789 (Dogbane Family)
SUMMARY: As here circumscribed including the Asclepiadaceae, a family of about 480 genera and about 4800 species, lianas, shrubs, herbs, and trees, widespread in tropical and temperate areas. There appears to be overwhelming evidence favoring the combination of the Asclepiadaceae into the Apocynaceae; see, for instance, Rosatti (1989), Sennblad & Bremer (1996), and many others.
REFERENCE: Rosatti (1989); Liede (1997a).
ABOUT GENUS (Weakley Flora)
Asclepias L. (Milkweed)
SUMMARY: A genus of about 100 species, herbs, temperate and tropical, of North and Central America.
REFERENCE: Woodson (1954)=Z; Turner (2009b)=Y; Farmer & Bell (1985)=X.

HERBARIUM RESOURCES

SERNEC: Find Asclepias rubra in Southeast Regional Network of Experts and Collections (if available)
UNC SERNEC: Find Asclepias rubra in University of North Carolina Chapel Hill Herbarium - Southeast Regional Network of Experts and Collections (if available)

WEB RESOURCES

USDA: Find Asclepias rubra in USDA Plants
NPIN: Find Asclepias rubra in NPIN Database
FNA: Find Asclepias rubra in the Flora of North America (if available)
Google: Search Google for Asclepias rubra

NCBG IMAGE RECORDS

ID IMAGE1: 8574
ID IMAGE2: 0
ID IMAGE3: 21420

From the Image Gallery


Image ID: 8079

Image ID: 35856

Image ID: 24544

Image ID: 24543

Image ID: 10269

Image ID: 10268

Image ID: 8575

Image ID: 8083

Image ID: 8078

Image ID: 19501

Image ID: 21420

Image ID: 24545

Image ID: 28557

Image ID: 28558

Image ID: 28559

Image ID: 10643

Image ID: 21421
18 photo(s) available in the Image Gallery

Go back