Monnina wrightii

A. Gray

Smithsonian Contr. Knowl. 5(6): 31. 1853.

Common names: Blue pygmyflower
Synonyms: Pteromonnina wrightii (A. Gray) B. Eriksen
Treatment appears in FNA Volume 10.
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Herbs (2–) 3–6 (–7) dm. Stems branched distally, hairs in­curved. Leaves: petiole 1–2.5 mm; blade mostly lanceolate or narrowly ovate to elliptic, sometimes obovate proximally, 15–60 × 2–10 mm, base cuneate, apex usually acute to attenuate-acuminate, sometimes obtuse proximally. Racemes 2–20 (–30) × 0.3–0.6 cm; peduncle to 6 cm; bracts narrowly lanceolate or ovate-subulate. Pedicels 0.4–0.5 mm, pubescent. Cleistogamous flowers usually present on much-reduced axillary branches, chasmogamous flowers sometimes absent, 1.5–2.1 mm. Flowers: non-wing sepals ovate to lanceolate, 1.2–1.8 mm; wings obovate, 1–2 mm wide; keel 1.5–3 mm. Fruits ovoid, subglobose, or subobovoid, 3–5 × 2.8–4 mm. Seeds 2–3 mm.


Phenology: Flowering (mid–)late summer–fall.
Habitat: Igneous, lime­stone, gravelly, sandy, or silty loam soils, in dry to moist, open to shaded grasslands, shrublands, woodlands, disturbed areas.
Elevation: 1200–2600 m.

Distribution

Ariz., N.Mex., Mexico (Chihuahua), Mexico (Colima), Mexico (Durango), Mexico (Guanajuato), Mexico (Jalisco), Mexico (Michoacán), Mexico (Nayarit), Mexico (Sinaloa), Mexico (Sonora), Mexico (Zacatecas), South America

Discussion

Monnina wrightii is amphitropically disjunct in Argentina and Bolivia, with single collections each from Peru and Uruguay.

Selected References

None.

Lower Taxa

None.
... more about "Monnina wrightii"
obtuse +, usually acute +  and attenuate-acuminate +
J. Richard Abbott +
A. Gray +
cuneate +
1.5 cm15 mm <br />0.015 m <br /> (6 cm60 mm <br />0.06 m <br />) +
obovate +, narrowly ovate +  and elliptic +
uniform +
0.2 cm2 mm <br />0.002 m <br /> (1 cm10 mm <br />0.01 m <br />) +
deciduous +
ovate-subulate +  and lanceolate +
Blue pygmyflower +
reduced +
Ariz. +, N.Mex. +, Mexico (Chihuahua) +, Mexico (Colima) +, Mexico (Durango) +, Mexico (Guanajuato) +, Mexico (Jalisco) +, Mexico (Michoacán) +, Mexico (Nayarit) +, Mexico (Sinaloa) +, Mexico (Sonora) +, Mexico (Zacatecas) +  and South America +
1200–2600 m. +
sessile +  and pedicellate +
cream +  and blue-tinged +
in proximal leaf-axils +  and subterranean +
1 +  and 5 +
chasmogamous +  and cleistogamous +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.21 cm2.1 mm <br />0.0021 m <br />) +
indehiscent +
0.3 cm3 mm <br />0.003 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
subobovoid +, subglobose +  and ovoid +
0.28 cm2.8 mm <br />0.0028 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
samaroid +  and pseudomonomerous +
glabrous +  and pubescent +
isodiametric +  and slightly oblong +
Igneous, limestone, gravelly, sandy, or silty loam soils, in dry to moist, open to shaded grasslands, shrublands, woodlands, disturbed areas. +
single-stemmed +
3-lobed +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
basal +  and cauline +
leaf-opposed +, axillary +  and terminal +
glabrate +  and pubescent +
ovate +  and lanceolate +
0.12 cm1.2 mm <br />0.0012 m <br /> (0.18 cm1.8 mm <br />0.0018 m <br />) +
0.04 cm0.4 mm <br />4.0e-4 m <br /> (0.05 cm0.5 mm <br />5.0e-4 m <br />) +
0 cm0 mm <br />0 m <br /> (6 cm60 mm <br />0.06 m <br />) +
0.1 cm1 mm <br />0.001 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
Flowering (mid–)late summer–fall. +
syncarpous +  and 2[-8]-carpellate +
Smithsonian Contr. Knowl. +
20 cm200 mm <br />0.2 m <br /> (30 cm300 mm <br />0.3 m <br />) +
2 cm20 mm <br />0.02 m <br /> (20 cm200 mm <br />0.2 m <br />) +
0.3 cm3 mm <br />0.003 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
usually brownish +  and whitish +
exfoliating +
not arillate +
ellipsoid +
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
subpersistent +  and deciduous +
unequal +
creeping +, prostrate +  and decumbent +
not +  and petiolate +
Pteromonnina wrightii +
Monnina wrightii +
species +
crested +  and lobed +
bluish purple +
subpersistent +  and deciduous +
ciliate +  and glabrous +
cleistogamous +  and chasmogamous +
obovate +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
1mm;2mm +