| Tripterocalyx crux-maltae | |
|---|---|
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Order: | Caryophyllales |
| Family: | Nyctaginaceae |
| Genus: | Tripterocalyx |
| Species: | T. crux-maltae |
| Binomial name | |
| Tripterocalyx crux-maltae (Kellogg) Standl. | |
| Synonyms | |
|
Abronia crux-maltae | |
Tripterocalyx crux-maltae is a species of flowering plant in the four o'clock family known by the common names Lassen sandverbena and Kellogg's sand-verbena.
Distribution
It is native to a section of the Great Basin straddling the far northern California-Nevada border, where it grows in sagebrush habitat. It is nearly endemic to Nevada, with only one occurrence present in Lassen County, California.
Description
Tripterocalyx crux-maltae grows in a patch on the ground, the multibranched stems spreading not more than 30 centimeters long. The stems are reddish in color and coated in sticky glandular hairs.
Each leaf has a fleshy green blade up to 7 centimeters long which is borne on a long petiole. The herbage is sticky in texture.
The inflorescence is a head of several elongated flowers borne on long, glandular pedicels all attached at the small central receptacle. Each trumpet-shaped purple or magenta flower may be up to 2.5 centimeters in length and over a centimeter wide at the face of the corolla, with 4 or 5 lobes.
The fruit has wide, thin, net-veined or ribbed wings and hairy surfaces.
References
- NRCS. "Tripterocalyx crux-maltae". PLANTS Database. United States Department of Agriculture (USDA). Retrieved 15 December 2015.
- California Native Plant Society Rare Plant Profile: Tripterocalyx crux-maltae
External links
- Jepson Manual Treatment for Tripterocalyx crux-maltae
- Flora of North America
- Tripterocalyx crux-maltae — UC Photo gallery
| Taxon identifiers | |
|---|---|
| Tripterocalyx crux-maltae |
|
| Abronia crux-maltae | |
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