Parietaria hespera

B. D. Hinton

Sida 3: 293. 1969.

Treatment appears in FNA Volume 3.

Herbs, annual, 0.2-5.5 dm. Stems simple or freely branched, sometimes densely matted, prostrate, decumbent, ascending, or erect. Leaf-blades narrowly to very broadly ovate, oblong, orbiculate, or reniform, 0.2-4.5 × 0.2-2.7 cm, base broadly cuneate, rounded, truncate, or nearly cordate, apex acuminate, acute, obtuse, or rounded; proximal pair of lateral-veins arising at junction of blade and petiole. Flowers: involucral-bracts 1-4.5 mm; tepals 2-2.8 mm, shorter or longer than bracts. Achenes light-brown, symmetric, 0.9-1.2 × 0.6-0.7 mm, apex obtuse, mucro apical; stipe centered, short-cylindric, basally dilated.

Distribution

Ariz., Calif., N.Mex., Nev., Utah, Mexico

Discussion

Varieties 2 (2 in the flora).

Selected References

None.

Key

1 Tepals erect, loosely connivent, apex acute; leaf blades conspicuously longer than wide, base broadly cuneate, rounded, or truncate. Parietaria hespera var. hespera
1 Tepals spreading or recurved and twisted at maturity, distinct, apex long-acuminate, attenuate, or caudate; leaf blades as long as or slightly longer than wide, base rounded to nearly cordate. Parietaria hespera var. californica
... more about "Parietaria hespera"
light-brown +
0.09 cm0.9 mm <br />9.0e-4 m <br /> (?) +  and 0.12 cm1.2 mm <br />0.0012 m <br /> (?) +
mucronate +, acute +  and ovoid +
0.6mm +  and 0.7mm +
0.2cm;4.5cm +
obtuse +, acuminate +, cordate +, truncate +, rounded +, cuneate +, reniform +, orbiculate +, oblong +  and ovate +
0.2cm;2.7cm +
David E. Boufford +
B. D. Hinton +
0.2 cm2 mm <br />0.002 m <br /> (4.5 cm45 mm <br />0.045 m <br />) +
acuminate +, cordate +, truncate +, rounded +, cuneate +, reniform +, orbiculate +, oblong +  and ovate +
0.2cm;2.7cm +
Ariz. +, Calif. +, N.Mex. +, Nev. +, Utah +  and Mexico +
reflexing +  and inflexed +
pistillate +  and staminate +
loosely +  and free +
straight +
0.1 cm1 mm <br />0.001 m <br /> (0.45 cm4.5 mm <br />0.0045 m <br />) +
rounded +, obtuse +  and acute +
rounded +  and linear +
accrescent +
branched +  and simple +
erect +, ascending +  and decumbent +
dilated +  and short-cylindric +
not +  and persistent +
Parietaria hespera +
Parietaria +
species +
reddish +, greenish +, green +  and white +
distinct +
shorter or longer +
hypogynous +
0.2 cm2 mm <br />0.002 m <br /> (0.28 cm2.8 mm <br />0.0028 m <br />) +
13 +, 10 +, 8 +  and 7 +