Flora of North America species comparison

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Amphiachyris dracunculoides

common broomweed, prairie broomweed
Habit Plants 30–100(–200) cm.
Leaf

blades narrowly to broadly lanceolate, 5–60 × 0.5–6 mm.
Receptacles

deeply pitted, glabrous.
Phyllaries

2–3 × 1–2 mm.
Heads

in crowded corymbiform arrays.
Cypselae

1.2–2.2 mm, 7–9-ribbed, short-setulose.
Primary

stems 0.3–1(–2) mm diam.
2n

= 10 (rarely 8).

Amphiachyris dracunculoides
Phenology Flowering Jul–Nov.
Habitat Calcareous, clay, or sandy soils, disturbed habitats
Elevation 0–500 m (0–1600 ft)
Distribution
from FNA
AL; AR; IA; IL; IN; KS; KY; LA; MO; MS; NE; NM; OH; OK; PA; SC; TN; VA
[WildflowerSearch map]
[BONAP county map]
Discussion

Amphiachyris dracunculoides is common in the south-central states, often in relatively large populations.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 20, p. 88.
Parent taxa Asteraceae > tribe Astereae > Amphiachyris
Sibling taxa
A. amoena
Synonyms Brachyris dracunculoides, Gutierrezia dracunculoides, Xanthocephalum amoenum var. intermedium
Name authority (de Candolle) Nuttall: Trans. Amer. Philos. Soc., n. s. 7: 313. (1840)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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