| Scientific Name | Krameria ramosissima | USDA PLANTS Symbol | KRRA |
| Common Name | Many-stem Ratany, Calderona | ITIS Taxonomic Serial No. | 26756 |
| Family | Krameriaceae (Krameria) | SEINet Reference |
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| Description | Habitat: Dry rocky or gravelly sandy, limestone, caliche and shaly soils; open areas in scrubland. Plant: Intricately-branched, slightly rounded shrub 1 to 3+ ft. tall; hairy, light green young branches; stems becoming gray with age with long and short shoots; tips of long shoots are thorny. Leaves: Clusters of small leaves in nodes, blades are linear to linear-lanceolate or ovate, less than 1/4 to 3/8-inch long and ~2 mm wide; hairy surfaces. Inflorescence: Single flowers borne at leaf nodes; each flower about 1/2-inch across with 5 conspicuous, petal-like, ovate to oblong point-tipped, spreading, magenta sepals; 5 small petals are divided into 3 flag petals (yellow-green with purplish tips) and two others that are smaller and pink to dark red around the ovary; 4 unequal length cream-colored stamens; greenish-white stigma and hairy ovary. Fruit: Ball-shaped less than 1/4-inch diameter, hairy, with sharp prickles. Bloom Period: April and May. Reference: "Manual of the Vascular Plants of Texas" by Correll and Johnston, “Trees and Shrubs of the Trans-Pecos and Adjacent Areas” by A. Michael Powell and Flora of North America. |
BONAP Distribution Map Map Color Key |
Texas Status: Native |
Banner photo of Castilleja indivisa and Lupinus ssp. taken along FM 1323 north of Johnson City, Blanco County
© Tom Lebsack 2026
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