Difference between revisions of "Argemone munita"

Durand & Hilgard

J. Acad. Nat. Sci. Philadelphia, ser. 2, 3: 37. 1854.

Treatment appears in FNA Volume 3.
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|genus=Argemone
 
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|species=Argemone munita

Revision as of 21:24, 16 December 2019

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.

Distribution

w North America.

Discussion

Subspecies 4 (4 in the flora).

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

Selected References

None.

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. Argemone munita subsp. robusta
2 Prickles 10–30 per cm²; both leaf surfaces sparingly to moderately prickly on veins and often on intervein areas. Argemone munita subsp. munita
3 Longest prickles of stem 4–6 mm; stems usually purplish; bud prickles sometimes branched. Argemone munita subsp. rotundata
3 Longest prickles of stem 7–10 mm; stems greenish white; bud prickles simple. Argemone munita subsp. argentea