Flora of North America species comparison

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Argemone munita

chicalote, flatbud prickly poppy, prickly poppy
Habit Plants annual or perennial.
Stems

4-16 dm, densely to sparingly prickly.
Leaf

blades: surfaces copiously prickly on veins and intervein surfaces to sparingly prickly on main veins only;

basal lobed ca. 1/2 distance to midrib, lobe apices usually distinctly rounded, marginal teeth usually less than 1 mm;

distal usually definitely clasping.
Inflorescences

buds oblong to ellipsoid to obovoid, body 12-22 × 10-16 mm, prickly;

sepal horns terete, flattened or angular in cross section, (4-)6-8(-10) mm, unarmed to densely prickly.
Flowers

5-10(-13) cm broad, not closely subtended by foliaceous bracts;

petals white;

stamens 150-250;

filaments pale yellow;

pistil 3-5-carpellate.
Capsules

ovoid, ellipsoid, or lanceoloid, 35-55 × 9-15(-18) mm (including stigma and excluding prickles), prickly, longest prickles to 10 mm, widely spaced, or shorter, more numerous, and interspersed with still shorter prickles, surface then partially obscured.
Seeds

1.8-2.6 mm.

Argemone munita
Distribution
from FNA
AZ; CA; ID; NV; OR; UT
[WildflowerSearch map]
[BONAP county map]
Discussion

Subspecies 4 (4 in the flora).

The Kawaiisu used Argemone munita medicinally to treat burns (D. E. Moerman 1986, no varieties specified).

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Key
1. Prickles 0–30 per cm² on main stem below capsule; leaf surfaces unarmed or sparingly prickly on veins and intervein areas.
→ 2
1. Prickles 100–500 per cm² on main stem below capsule; leaf surfaces mostly closely prickly on veins and intervein areas.
→ 3
2. Prickles 0–10 per cm²; abaxial leaf surface sparingly prickly on main veins, adaxial surface usually unarmed.
subsp. robusta
2. Prickles 10–30 per cm²; both leaf surfaces sparingly to moderately prickly on veins and often on intervein areas.
subsp. munita
3. Longest prickles of stem 4–6 mm; stems usually purplish; bud prickles sometimes branched.
subsp. rotundata
3. Longest prickles of stem 7–10 mm; stems greenish white; bud prickles simple.
subsp. argentea
Source FNA vol. 3.
Parent taxa Papaveraceae > Argemone
Sibling taxa
A. aenea, A. albiflora, A. arizonica, A. aurantiaca, A. chisosensis, A. corymbosa, A. gracilenta, A. hispida, A. mexicana, A. ochroleuca, A. pleiacantha, A. polyanthemos, A. sanguinea, A. squarrosa
Subordinate taxa
A. munita subsp. argentea, A. munita subsp. munita, A. munita subsp. robusta, A. munita subsp. rotundata
Name authority Durand & Hilgard: J. Acad. Nat. Sci. Philadelphia, ser. 2, 3: 37. (1854)
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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