NCBG North Carolina Botanical Garden

One Ring to rule them all, One Ring to find them, One Ring to bring them all and in the darkness bind them

Scientific Name: or show all plants or perform combination search
Plant Family:

Acanthospermum australe

Acanthospermum australe (Loefl.) Kuntze

Paraguay Bur, Paraguayan Starbur, Sheep Bur

Synonym(s): Acanthospermum xanthioides, Melampodium australe
Acanthospermum australe (Paraguay Bur)
image by Sorrie, Bruce A.

Key to Map Symbols.
NCBG PLANT INDEX
ID_PLANT: ACAU2
SCIENTIFIC NAME: Acanthospermum australe
SELECTED SYNONYM:
GENUS: Acanthospermum
FAMILY CODE: ASTERA

NCBG DESCRIPTIVES
INTRO: Prostrate-trailing, tap-rooted annual of disturbed areas. Native of South America.
STEMS: Stems prostrate, branching, usually rooting at nodes and short-hairy, at least toward stem ends.
LEAVES: Leaves opposite, petiolate, oval to diamond-shaped, coarsely toothed, fleshy, gland-dotted.
INFLORESCENCE:
FLOWERS: Composite flowers (heads) solitary at ends of branches, about 1/4-in. wide, consisting of about 5 white ray florets in a ring around a few 5-lobed, tubular disk florets, all surrounded by a series of tiny bracts.
FRUITS: Fruit a vaguely star-shaped (5-sided) nutlet covered with hooked prickles.
COMMENTS:
HEIGHT: 1-5 ft. (long)

NCBG DURATION
ANNUAL: 1
BIENNIAL: 0
PERENNIAL: 1

NCBG HABIT
HERB: 1
SUBSHRUB: 0
SHRUB: 0
TREE: 0
CACTUS/SUCCULENT: 0
GRASS/GRASSLIKE: 0
FERN: 0
VINE: 0

NCBG DISTRIBUTION
HABITAT TYPE: Disturbed
NATIVE RANGE:

NCBG PLANT SALE
PLANT SALE TEXT:

Cultural Notes:

Bee Friendly: 0
Butterfly Friendly: 0
Bird Friendly: 0
Hummingbird Friendly: 0

SOIL MOISTURE:
Soil Dry: 0
Soil Average: 0
Soil Moist/Wet: 0
Soil Well-drained: 0

LIGHT EXPOSURE
Sun: 0
Part Shade: 0
Shade: 0

MINIMUM HARDINESS ZONE:
MAXIMUM HARDINESS ZONE:

GERMINATION CODE:

NCBG PHENOLOGY
bloom_time: May-Nov.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
x x x x x x x
bloom_color: White
White Red Pink Orange Yellow Green Blue Lavender Purple Violet Brown Not Applicable
x

fruit_time:

NCBG RECORD
ID IMAGE: 9786
ID IMAGE2: 0
ID IMAGE3: 0
Publish to Web: 1
Last Modified: 2017-11-16

USDA PLANTS DATABASE
USDA Symbol: ACAU2
USDA Common Name: Paraguayan Starbur
Native Status: L48 (I), HI (I)
Distribution: USA (AL, AR, FL, GA, HI, LA, MA, MS, NC, NY, OR, PA, SC, TN, TX, VA)
Duration: Annual, Perennial
Growth Habit: Forb/herb

STATE RANKS
STATE RANK: SNA (SE)
GLOBAL RANK: G5
STATE STATUS:
US STATUS:
TRACKED STATUS: N: Do not track

WEAKLEY FLORA
SCIENTIFIC NAME: Acanthospermum australe
COMMON NAME: Paraguay Bur, Sheep Bur
SYNONYMY: [= C, F, FNA, G, K, RAB, S, SE, Va, WH3]
PHENOLOGY: May-Nov.
HABITAT: Disturbed areas; native of South America.
COMMENTS:
RANGE MAP: Acanthospermum australe.png

ABOUT FAMILY (Weakley Flora)
Asteraceae Dumortier 1822 or COMPOSITAE Giseke 1792 (Aster Family)
SUMMARY: A family of about 1500-1700 genera and 20,000-25,000 species, shrubs, herbs, trees, and vines, cosmopolitan in distribution.
REFERENCE: Cronquist (1980)=SE throughout family treatment.
ABOUT GENUS (Weakley Flora)
Acanthospermum Schrank 1820 (Paraguay Bur)
SUMMARY: A genus of about 6 species, herbs, of tropical America.
REFERENCE: Strother in FNA (2006c); Cronquist (1980)=SE.
HERBARIUM RESOURCES
SERNEC: Find Acanthospermum australe in Southeast Regional Network of Experts and Collections (if available)
UNC SERNEC: Find Acanthospermum australe in University of North Carolina Chapel Hill Herbarium - Southeast Regional Network of Experts and Collections (if available)

WEB RESOURCES
USDA: Find Acanthospermum australe in USDA Plants
NPIN: Find Acanthospermum australe in NPIN Database
FNA: Find Acanthospermum australe in the Flora of North America (if available)
Google: Search Google for Acanthospermum australe

From the Image Gallery


Image ID: 10506
2 photo(s) available in the Image Gallery

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