Difference between revisions of "Nerisyrenia camporum"

(A. Gray) Greene

Pittonia 4: 225. 1900.

Basionym: Greggia camporum A. Gray Smithsonian Contr. Knowl. 3(5): 9, plate 1. 1852
Synonyms: Parrasia camporum (A. Gray) Greene
Treatment appears in FNA Volume 7. Treatment on page 610.
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|hierarchy=Brassicaceae;Brassicaceae tribe Physarieae;Nerisyrenia;Nerisyrenia camporum
 
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|tribe=Brassicaceae tribe Physarieae
 
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Latest revision as of 22:37, 5 November 2020

Plants with woody caudex; moderately to densely pubescent or glabrate. Stems 1–6 dm, woody proximally, pubescent or glabrate with age. Cauline leaves: petiole 0.3–1.5 cm, often not sharply differentiated from blade, or (distal) sessile; blade usually obovate to spatulate or oblanceolate, rarely elliptic, 1–4(–4.5) cm × (4–)7–20(–30) mm (not fleshy), base attenuate, margins dentate, repand, or entire, apex acute to obtuse. Racemes 3.5 dm. Fruiting pedicels (rarely recurved), (7–)10–20 mm, densely pubescent. Flowers: sepals (spreading) oblong to oblong-lanceolate, 5–9 × 1–2 mm; petals obovate, (8–)10–14(–15) × 5–9 mm, claw (often flattened, margin dentate) to 2 mm; filaments 4.5–7.5 mm; anthers 2–3.5 mm. Fruits angustiseptate, 1.5–3(–4) cm × 1.5–3(–4) mm; ovules 40–100 per ovary; style (1.5–)2–3.8(–4.3) mm. Seeds 0.8–1.1 × 0.5–0.7 mm. 2n = 18, 19, 21, 22, 27, 32, 34, 36, 40, 41, 58.


Phenology: Flowering year-round, mostly Feb–Sep.
Habitat: Clay flats, gypseous clay, gravelly knolls, hillsides, sandy washes
Elevation: 200-1300 m

Distribution

V7 998-distribution-map.gif

N.Mex., Tex., Mexico (Chihuahua, Coahuila, Durango, Nuevo León, Tamaulipas, Zacatecas).

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Nerisyrenia camporum"
Ihsan A. Al-Shehbaz +
(A. Gray) Greene +
Greggia camporum +
N.Mex. +, Tex. +, Mexico (Chihuahua +, Coahuila +, Durango +, Nuevo León +, Tamaulipas +  and Zacatecas). +
200-1300 m +
Clay flats, gypseous clay, gravelly knolls, hillsides, sandy washes +
Flowering year-round, mostly Feb–Sep. +
Parrasia camporum +
Nerisyrenia camporum +
Nerisyrenia +
species +