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Streptanthus
''Streptanthus'' is a genus of plants within the family Brassicaceae. There are 58 known species within the genus ''Streptanthus'', distributed through the western and south-central United States and northern Mexico. The common names for this genus are twistflower and jewelflower. Twenty-four of the species and eleven lesser taxa occur in California, thirty-two of which are California endemics; seventeen of these California taxa are classified as rare plants. Species and subspecies 58 species are accepted. The following are some of the species (or subspecies) of the genus ''Streptanthus'' (county locations are not intended to be exhaustive): *'' Streptanthus amplexicaulis'' *'' Streptanthus anceps'' *'' Streptanthus anomalus'' *'' Streptanthus barbatus'' – Pacific jewelflower *'' Streptanthus barbiger'' – Bearded jewelflower *'' Streptanthus barnebyi'' *'' Streptanthus batrachopus'' – Mt. Tamalpais jewelflower *'' Streptanthus bernardinus'' – Laguna Mountain j ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Streptanthus Anomalus
''Streptanthus anomalus'' is a species of flowering plant in family Brassicaceae known by the common names Mount Burdell jewelflower and Tcukamos jewelflower. It is endemic to Mount Burdell in Marin County, California. Description ''Streptanthus anomalus'' is an annual plant with a simple or branched, erect stem, growing tall. Basal rosette leaves are long, oblanceolate, dentate, with ciliate margins, while ovate cauline leaves have distinctive clasping bases. By flowering time, most rosette and proximal leaves are absent, and distal leaves have faded to a greenish yellow. Flowers occur in bracted, one-sided racemes, with pedicels. The calyx is urn shaped, and the sepals are either greenish-yellow or dark wine-red. long petals are exserted from the calyx, with yellow bases, brown to purple blades, and white margins. Stamens occur in either 3 unequal pairs, or with 4 long and 2 short stamens. The upper stamens have fused filaments and sterile anthers. Fruits are siliques, lo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Streptanthus Bracteatus
''Streptanthus bracteatus'' is a species of flowering plant in the mustard family known by the common names bracted jewelflower and bracted twistflower. It is endemic to Texas in the United States.''Streptanthus bracteatus''. Center for Plant Conservation.''Streptanthus bracteatus''. The Nature Conservancy. This annual or biennial herb has a branching stem up to 1.2 meters tall. It is hairless and generally waxy in texture. The basal leaves have lobed or toothed blades on long petioles, and ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Streptanthus Cordatus
''Streptanthus cordatus'' is a species of flowering plant in the Brassicaceae, mustard family known by the common name heartleaf twistflower. It is native to the western United States, where it can be found in many types of sagebrush, woodland, and forest habitat. It is a perennial herb producing a branched or unbranched stem up to about a meter tall. It is often waxy in texture. The basal leaves are oval or spoon-shaped with bristle-toothed blades borne on rough-haired Petiole (botany), petioles. Leaves higher on the stem are oval to lance-shaped, up to 9 centimeters long with their bases usually clasping the stem. Flowers occur at intervals along the upper stem. Each has a calyx of sepals roughly a centimeter long which begin greenish yellow and mature purple. Four purple petals emerge from the tip of each calyx. The fruit is a thin, narrow silique which may reach 14 centimeters in length or longer. References External links Jepson Manual Treatment [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Streptanthus Carinatus
''Streptanthus carinatus'', the lyreleaf jewelflower, is an annual to biennial plant in the mustard family (Brassicaceae) found in the Arizona Upland of the Sonoran Desert The Sonoran Desert () is a hot desert and ecoregion in North America that covers the northwestern Mexican states of Sonora, Baja California, and Baja California Sur, as well as part of the Southwestern United States (in Arizona and California). It ....Sonoran Desert Wildflowers, Richard Spellenberg, 2nd ed., 2012, Subspecies ''S. carinatus arizonicus'' has white to cream colored flowers in its western range, becoming strongly yellow eastward. Subspecies ''S. carinatus carinatus'' has purple flowers. References External links * * carinatus Plants described in 1853 {{Brassicales-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Streptanthus Bernardinus
''Streptanthus bernardinus'' is a species of flowering plant in the mustard family known by the common name Laguna Mountains jewelflower. Distribution It is native to southern California and northern Baja California, where it grows in the Transverse Ranges around Los Angeles and the Peninsular Ranges to the south, including the Laguna Mountains east of San Diego and the Sierra de Juarez and Sierra de San Pedro Mártir of Baja. Its habitat includes temperate coniferous forest and chaparral on mountain slopes. Description ''Streptanthus bernardinus'' is a perennial herb growing from a woody caudex and producing an erect stem up to 60 to 80 centimeters tall. It is hairless and sometimes waxy in texture. The basal leaves are widely lance-shaped and up to 8 centimeters long by 2.5 wide. They are borne on petioles. Narrower lance-shaped leaves occur higher on the stem and may clasp the stem at their bases. Flowers occur at intervals along the upper stem. Each has a bell-shaped caly ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
