Argemone albiflora subsp. texana

G. B. Ownbey

Mem. Torrey Bot. Club 21: 141. 1958.

Endemic
Synonyms: Argemone albiflora var. texana (G. B. Ownbey) Shinners
Treatment appears in FNA Volume 3.

Stems sparsely to moderately prickly. Leaf-blades: basal and proximal lobed nearly to midrib. Inflorescences: sepal horns 4-6 (-10) mm, unarmed or sparingly prickly near base. Capsules usually narrowly ellipsoid, surface partially obscured, longer prickles widely spaced, interspersed with numerous, shorter, unequal ones. 2n = 28.


Phenology: Flowering early spring–summer; fruiting spring–fall.
Habitat: Pastures and waste ground
Elevation: 0-300 m

Discussion

Argemone albiflora subsp. texana is introduced in Arkansas and Missouri.

Selected References

None.

Lower Taxa

None.

"dm" 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 +
G. B. Ownbey +
palmate +  and subpalmate +
1×-lobed +, commonly shallowly +  and unlobed +
1.2 cm12 mm <br />0.012 m <br /> (1.8 cm18 mm <br />0.018 m <br />) +
1 cm10 mm <br />0.01 m <br /> (1.6 cm16 mm <br />0.016 m <br />) +
broadly ellipsoid +  and subglobose +
4 cm40 mm <br />0.04 m <br /> (4.5 cm45 mm <br />0.045 m <br />) +
1.5 cm15 mm <br />0.015 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
2 cm20 mm <br />0.02 m <br /> (4 cm40 mm <br />0.04 m <br />) +
ellipsoid +
1 cm10 mm <br />0.01 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
Ark. +, La. +, Mo. +  and Tex. +
0-300 m +
sessile +, pedicellate +  and symmetric +
conspicuous +
5 cm50 mm <br />0.05 m <br /> (10 cm100 mm <br />0.1 m <br />) +
transverse +, poricidal +, valvate +  and dehiscence +
Pastures and waste ground +
tipped +  and hollow +
subterminal +
paniculate +  and racemose +
terminal +  and axillary +
proximal +  and basal +
1/2 +  and 4/5 +
alternate +  and opposite or whorled +
cauline +  and basal +
1 cm10 mm <br />0.01 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
0.6 cm6 mm <br />0.006 m <br /> (1 cm10 mm <br />0.01 m <br />) +
numerous +
unequal +
1-2-locular or +  and incompletely completely multilocular +
distinct +
obovate +
2 times number of sepals +
Flowering early spring–summer +  and fruiting spring–fall. +
(3-)4-5(-7)-carpellate +
Mem. Torrey Bot. Club +
white +  and orange +
carunculate +  and arillate +
subglobose +
0.16 cm1.6 mm <br />0.0016 m <br /> (?) +  and 0.2 cm2 mm <br />0.002 m <br /> (?) +
list +  and count +
list +  and count +
prickly +  and unarmed +
0.6 cm6 mm <br />0.006 m <br /> (1 cm10 mm <br />0.01 m <br />) +
0.4 cm4 mm <br />0.004 m <br /> (0.6 cm6 mm <br />0.006 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 albiflora var. texana +
Argemone albiflora subsp. texana +
Argemone albiflora +
subspecies +
biennial +  and annual +
3 +  and 2 +