Argemone pleiacantha subsp. pleiacantha

Illustrated
Treatment appears in FNA Volume 3.

Stems 5-12 dm. Leaf-blades: proximal mostly lobed 4/5 distance to midrib; distal not clasping. Inflorescences: bud prickles often branched. Capsules mostly closely prickly, surface partially obscured, prickles straight or incurved. 2n = 28.


Phenology: Flowering spring–summer; fruiting summer–fall.
Habitat: Foothills and adjacent high plains
Elevation: 800-2200 m

Distribution

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Ariz., N.Mex., Mexico (Chihuahua and Sonora)

Discussion

Selected References

None.

Lower Taxa

None.

"/3" is not declared as a valid unit of measurement for this property."dm" is not declared as a valid unit of measurement for this property.

prickly +  and unarmed +
Gerald B. Ownbey +
Greene +
palmate +  and subpalmate +
1×-lobed +, commonly shallowly +  and unlobed +
1.4 cm14 mm <br />0.014 m <br /> (2 cm20 mm <br />0.02 m <br />) +
1.1 cm11 mm <br />0.011 m <br /> (1.8 cm18 mm <br />0.018 m <br />) +
2.5 cm25 mm <br />0.025 m <br /> (4.5 cm45 mm <br />0.045 m <br />) +
ovoid +  and ellipsoid-lanceoloid +
1 cm10 mm <br />0.01 m <br /> (1.6 cm16 mm <br />0.016 m <br />) +
Ariz. +, N.Mex. +  and Mexico (Chihuahua and Sonora) +
800-2200 m +
pale-yellow +  and red +
sessile +, pedicellate +  and symmetric +
conspicuous +
8cm;12cm +
transverse +, poricidal +, valvate +  and dehiscence +
Foothills and adjacent high plains +
tipped +  and hollow +
subterminal +
paniculate +  and racemose +
terminal +  and axillary +
alternate +  and opposite or whorled +
cauline +  and basal +
0.6 cm6 mm <br />0.006 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
0.4 cm4 mm <br />0.004 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
1-2-locular or +  and incompletely completely multilocular +
distinct +
2 times number of sepals +
Flowering spring–summer +  and fruiting summer–fall. +
3-4-carpellate +
branched +  and simple +
Feddes Repert. Spec. Nov. Regni Veg. +
white +  and orange +
carunculate +  and arillate +
subglobose +
2mm +  and 2.5mm +
list +  and count +
list +  and count +
flattened +  and terete +
0.4 cm4 mm <br />0.004 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
3 +  and 2 +
obovate +
Illustrated +
prickly +  and branched +
decumbent +, spreading +  and erect +
persistent +
3-5(-7)-lobed +
persistent +
0 cm0 mm <br />0 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
prickly +  and unarmed +
hispid +, glabrous +  and glaucous +
Argemone pleiacantha subsp. pleiacantha +
Argemone pleiacantha +
subspecies +
perennial +  and annual +
3 +  and 2 +