Flora of North America species comparison

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Cressa truxillensis

alkali weed, spreading alkali weed
Stems

to 40 cm, hirsute to sericeous; usually leafy at anthesis.
Leaves

petioles 0.5–2 mm;

blade elliptic, lanceolate, or ovate-lanceolate, 3–10 × 1–4 mm, surfaces hirsute to ± sericeous.
Inflorescences

bracteoles ovate to ovate-lanceolate, 2–3 × 1 mm.
Flowers

sepals: outer elliptic or obovate, 3–4 × 2.5–3 mm, inner obovate, 3–4.5 × 2–3 mm;

corolla 5–6.5 mm, tube 3–3.5 mm.
Capsules

5–6 mm.
Seeds

3–4 mm.
2n

= 28.

Cressa truxillensis
Phenology Flowering Apr–Nov.
Habitat Moist saline and/or alkaline sites.
Elevation -50–1600 m. [-160–5200 ft.]
Distribution
map from FNA
AZ; CA; NM; NV; OK; OR; TX; UT; Mexico (Baja California, Chihuahua, San Luis Potosí, Sinaloa, Sonora); South America (Argentina, Chile, Ecuador, Peru) [Introduced in Asia (Timor), Pacific Islands (Hawaii)]
[WildflowerSearch map]
[BONAP county map]
Parent taxa Convolvulaceae > Cressa
Sibling taxa
C. nudicaulis
Synonyms C. depressa, C. truxillensis var. minima, C. truxillensis var. vallicola
Name authority Kunth in A. von Humboldt et al.: Nov. Gen. Sp. 3(fol.): 93; 3(qto): 119. (1819)
Source FNA vol. 14. Treatment author: Daniel F. Austin†.
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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(If the plant you're looking for doesn't show up in the auto-complete list, that means it either isn't described in Flora of North America yet, or it's listed under a synonym. And please note that Flora of North America is still missing several plant families, including Boraginaceae and Polemoniaceae.)

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