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, Colima, Durango, Guanajuato, Jalisco, Michoacán, Nayarit, Sinaloa, Sonora, 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"
J. Richard Abbott +
A. Gray +
Blue pygmyflower +
Ariz. +, N.Mex. +, Mexico (Chihuahua +, Colima +, Durango +, Guanajuato +, Jalisco +, Michoacán +, Nayarit +, Sinaloa +, Sonora +, Zacatecas) +  and South America. +
1200–2600 m. +
Igneous, limestone, gravelly, sandy, or silty loam soils, in dry to moist, open to shaded grasslands, shrublands, woodlands, disturbed areas. +
Flowering (mid–)late summer–fall. +
Smithsonian Contr. Knowl. +
Pteromonnina wrightii +
Monnina wrightii +
species +