Mirabilis laevis var. retrorsa

(A. Heller) Jepson

Man. Fl. Pl. Calif., 340. 1923.

Basionym: Mirabilis retrorsa A. Heller Muhlenbergia 2: 193. 1906
Synonyms: Hesperonia retrorsa (A. Heller) Standley Mirabilis bigelovii var. retrorsa (A. Heller) Munz Mirabilis californica var. retrorsa (A. Heller) Jepson
Treatment appears in FNA Volume 4. Treatment on page 49. Mentioned on page 47.

Stems usually many, clumped, often glabrous or glabrate basally, sparsely to densely retrorse-puberulent distally. Leaf-blades 0.5–3.5 × 1–3.5 cm. Inflorescences cymose, usually broad; branches ± equal throughout; involucres 5–7 mm; bracts 60–70% connate, lobes ovate-triangular orovate-oblong, base often 70–100% of height, apex obtuse or acute. Flowers: perianth usually white, (rarely white tinged with pink at base, or pale-pink). Fruits gray-brown, dark charcoal brown, often dark mottled, often faintly marked with 10 paler longitudinal lines, ellipsoid, obovoid, or almost spheric, occasionally wider than long, 3.5–5 × 2.6–4 mm. 2n = 62, 64, 66.


Phenology: Flowering late winter and spring, most vigorously in spring, occasionally in summer.
Habitat: Desert brushlands, banks
Elevation: 100-2000 m

Distribution

V4 93-distribution-map.gif

Ariz., Calif., Nev., Oreg., Utah, Mexico (Baja California)

Discussion

Selected References

None.

Lower Taxa

None.

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

66 +, 64 +  and 62 +
Richard W. Spellenberg +
(A. Heller) Jepson +
glutinous +
obtuse +, truncate +  and cordate +
constricted +
woody +, leathery +  and fleshy +
Mirabilis retrorsa +
4 cm40 mm <br />0.04 m <br /> (5.5 cm55 mm <br />0.055 m <br />) +
3.5 cm35 mm <br />0.035 m <br /> (5 cm50 mm <br />0.05 m <br />) +
1 cm10 mm <br />0.01 m <br /> (4 cm40 mm <br />0.04 m <br />) +
subreniform;ovate-rhombic;deltate-ovate;ovate +
? (?) +  and ? (?) +
0.5cm;3.5cm +
persistent +
corollalike +  and petaloid +
branched +, congested +  and open +
sessile +, petiolate +  and short +
Ariz. +, Calif. +, Nev. +, Oreg. +, Utah +  and Mexico (Baja California) +
100-2000 m +
curved +  and straight +
inconspicuous +  and showy +
cleistogamous +, chasmogamous +  and bisexual +
dark mottled +, brown +, dark charcoal +  and gray-brown +
3.5mm;5mm +
spheric +, obovoid +  and ellipsoid +
0.26 cm2.6 mm <br />0.0026 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
Desert brushlands, banks +
bell--shaped +
accrescent +
0.5 cm5 mm <br />0.005 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
herbaceous;papery +
0.5 cm5 mm <br />0.005 m <br /> (3.5 cm35 mm <br />0.035 m <br />) +
1 cm10 mm <br />0.01 m <br /> (3.5 cm35 mm <br />0.035 m <br />) +
distributed +
prostrate +  and decumbent +
unequal +
5-lobed +
rugose +  and smooth +
spheric +, obovoid +  and ovoid +
0.3 cm3 mm <br />0.003 m <br /> (0.55 cm5.5 mm <br />0.0055 m <br />) +
orovate-oblong +  and ovate-triangular +
pubescent +  and glabrous +
sinuate +  and entire +
0.3 cm3 mm <br />0.003 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
chasmogamous +  and cleistogamous +
5-lobed +  and flared +
constricted +
1 cm10 mm <br />0.01 m <br /> (1.6 cm16 mm <br />0.016 m <br />) +
0.1 cm1 mm <br />0.001 m <br /> (2.2 cm22 mm <br />0.022 m <br />) +
Flowering late winter and spring, most vigorously in spring, occasionally in summer. +
Man. Fl. Pl. Calif., +
not evident +  and defined +
pubescent +  and glabrous +
tuberculate +  and smooth +
globose +, ellipsoid +, obovoid +  and round +
thick +  and thin +
cordlike +  and cylindric +
fibrous;fleshy +
membranaceous +
ribbed +, 10-ribbed +  and 5-ribbed +
pubescent +, glabrous +  and warty +
wrinkled +
Illustrated +
suffrutescent +
clambering +, decumbent +  and erect +
fusiform +  and linear +
filiform +
mucilaginous +
villous +, puberulent +, scabrous +  and glabrous +
Hesperonia retrorsa +, Mirabilis bigelovii var. retrorsa +  and Mirabilis californica var. retrorsa +
ropelike +  and swollen +
Mirabilis laevis var. retrorsa +
Mirabilis laevis +
variety +
gland-tipped +
expanded +
herb +, shrubby +, herbaceous +  and suffrutescent +
pubescent +  and glabrous +