Argemone aenea

G. B. Ownbey

Mem. Torrey Bot. Club 21: 50. 1958.

Treatment appears in FNA Volume 3.

Plants annual or short-lived perennial. Stems 3-8 dm, prickly. Leaf-blades: abaxial surface prickly on veins, adaxial surface unarmed or sparingly prickly on veins; proximal lobed 3/4-5/6 distance to midrib. Inflorescences: buds ellipsoid-oblong, body 15-20 × 13-16 mm, prickly; sepal horns terete, 7-12 mm, unarmed or with a few basal prickles. Flowers 7-12 cm broad, often subtended by 1-2 foliaceous bracts; petals bright-yellow to golden or bronze; stamens ca. 150; filaments red or purplish; pistil 4-5-carpellate. Capsules narrowly ellipsoid-oblong, 25-35 × 12-16 mm (including stigma and excluding prickles), coarsely prickly, surface clearly visible, prickles very unequal, longest ca. 8 mm. Seeds 1.5-1.7 mm. 2n = 28.


Phenology: Flowering and fruiting early spring–summer.
Habitat: Dry plains and low hills, road and field margins
Elevation: 0-1500 m

Distribution

V3 1149-distribution-map.gif

Tex., Mexico (Coahuila), Mexico (Nuevo León), Mexico (and Tamaulipas)

Discussion

Selected References

None.

Lower Taxa

None.

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

... more about "Argemone aenea"
prickly +  and unarmed +
Gerald B. Ownbey +
G. B. Ownbey +
palmate +  and subpalmate +
1×-lobed +, commonly shallowly +  and unlobed +
1.5 cm15 mm <br />0.015 m <br /> (2 cm20 mm <br />0.02 m <br />) +
1.3 cm13 mm <br />0.013 m <br /> (1.6 cm16 mm <br />0.016 m <br />) +
2.5 cm25 mm <br />0.025 m <br /> (3.5 cm35 mm <br />0.035 m <br />) +
ellipsoid-oblong +
1.2 cm12 mm <br />0.012 m <br /> (1.6 cm16 mm <br />0.016 m <br />) +
Tex. +, Mexico (Coahuila) +, Mexico (Nuevo León) +  and Mexico (and Tamaulipas) +
0-1500 m +
purplish +  and red +
sessile +, pedicellate +  and symmetric +
conspicuous +
7cm;12cm +
transverse +, poricidal +, valvate +  and dehiscence +
Dry plains and low hills, road and field margins +
tipped +  and hollow +
subterminal +
paniculate +  and racemose +
terminal +  and axillary +
3/4 +  and 5/6 +
alternate +  and opposite or whorled +
cauline +  and basal +
1-2-locular or +  and incompletely completely multilocular +
distinct +
2 times number of sepals +
Flowering and fruiting early spring–summer. +
4-5-carpellate +
8 cm80 mm <br />0.08 m <br /> (?) +
Mem. Torrey Bot. Club +
white +  and orange +
carunculate +  and arillate +
subglobose +
1.5mm +  and 1.7mm +
list +  and count +
list +  and count +
with a few basal prickles +  and unarmed +
0.7 cm7 mm <br />0.007 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
3 +  and 2 +
obovate +
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 aenea +
Argemone +
species +
perennial +, short-lived +  and annual +
3 +  and 2 +