| Trifolium cyathiferum | |
|---|---|
 | |
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Rosids |
| Order: | Fabales |
| Family: | Fabaceae |
| Subfamily: | Faboideae |
| Genus: | Trifolium |
| Species: | T. cyathiferum |
| Binomial name | |
| Trifolium cyathiferum | |
Trifolium cyathiferum is a species of clover known by the common names cup clover [1] and bowl clover. [2]
This species occurs in western North America, its distribution extending from Alaska and the Yukon, through the Pacific Northwest to California, Utah, and Montana. [3] As an example occurrence, it is found in the California Coast Ranges in such places as Ring Mountain, California, where it is found in association with tomcat clover. [4]
It usually occurs in spring-moist valleys, chaparral, and forest habitats, below 2,500 metres (8,200 ft) in elevation. [2]
Trifolium cyathiferum is a low growing annual plant. [5]
The inflorescence is many flowered and bowl shaped. Flowers are white to yellow with pink tips. The bloom period is May to August. [5]
Trifolium wormskioldii is a species of clover native to the western half of North America. Its common names include cows clover, coast clover, sand clover, seaside clover, springbank clover, and Wormskjold's clover.
Trifolium amoenum, known by the common names showy Indian clover and two-fork clover, is endemic to California, and is an endangered annual herb that subsists in grassland areas of the San Francisco Bay Area and the northern California Coast Ranges.
Trifolium willdenovii, the tomcat clover, is a species of plant in the pea family Fabaceae. This species occurs in the western part of North America. As an example occurrence, it is found in the California Coast Ranges in such places as Ring Mountain, California, where it is found in association with cup clover.
Trifolium trichocalyx is a species of clover known by the common name Monterey clover.
Trifolium barbigerum is a species of clover known by the common name bearded clover.
Trifolium beckwithii is a species of clover known by the common name Beckwith's clover.
Trifolium bolanderi is a species of clover known by the common names Bolander's clover and parasol clover.
Trifolium depauperatum is a species of clover known by the common names cowbag clover, poverty clover, and balloon sack clover.
Trifolium eriocephalum is a species of clover known by the common name woollyhead clover or hairy head clover.
Trifolium fucatum is a species of clover known by the common names bull clover and sour clover. It is native to the western United States, where it grows in many types of habitat, becoming common to abundant in some areas. It is an edible species of clover.
Trifolium gracilentum is a species of clover known by the common names pinpoint clover and slender clover. It is native to western North America including the west coast of the United States and northwestern Mexico, where it grows in many types of habitat, including disturbed areas. It is an annual herb growing prostrate to erect in form with mostly hairless or slightly hairy herbage. The leaves are made up of lance-shaped to oval leaflets. The inflorescence is an umbel of flowers that spread out or flex downward. The flowers have pink or purple corollas less than a centimeter long.
Trifolium gymnocarpon is a species of clover known by the common name hollyleaf clover.
Trifolium lemmonii is a species of clover known by the common name Lemmon's clover.
Trifolium longipes is a species of clover known by the common name longstalk clover. It is native to the western United States, where it occurs in many types of habitats such as meadows, valleys, lower mountains, and subalpine slopes. There are many subtaxa which occur in different regions and differ slightly in appearance. In general, it is a perennial herb with leaves made up of 2 to 5 leaflets which are variable in shape. The inflorescence is a head of flowers up to 3 centimeters wide with white to purplish or bicolored corollas.
Trifolium macraei is a species of clover known by the common names Chilean clover, double-head clover, and MacRae's clover. It has a disjunct distribution, occurring on the coastline of Oregon and California in the United States, as well as in South America. It grows in coastal habitat, such as sand dunes, and disturbed areas. It is an annual herb taking a decumbent or erect form. The leaves are made up of oval leaflets 1 to 2 centimeters in length. The inflorescence is usually made up of two oval or rounded heads of flowers each measuring up to 1.5 centimeters wide. Each flower has a calyx of sepals which taper into densely hairy bristles. The flower corolla is purple or bicolored with white or pink.
Trifolium macrocephalum is a species of clover known by the common name largehead clover or bighead clover native to the Great Basin region of the western United States.
Trifolium microcephalum is a species of clover known by the common names smallhead clover and small-headed clover.
Trifolium monanthum is a species of clover known by the common name mountain carpet clover.
Trifolium variegatum is a species of clover known by the common name whitetip clover. It is native to western North America from southern Alaska and British Columbia to Baja California, where it occurs in many types of habitat.
Trifolium jokerstii is a rare species of clover known by the common names Jim's clover and Butte County golden clover. It is endemic to Butte County, California, where it is known from eight or nine occurrences near Oroville. It grows in seasonally moist habitat, such as vernal pools, pastures, and ephemeral creeks. It was previously included within the description of Trifolium barbigerum as an odd yellow-flowered variant of a mostly purple-pink-flowered species, and was elevated to species status in 1998. It was named for the California botanist Jim Jokerst.
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