Ribes thacherianum, with the common name Santa Cruz gooseberry, or Santa Cruz Island gooseberry, is a rare North American species of currant found only on one island off the coast of California.[3]
| Ribes thacherianum | |
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| R. thacherianum growing in Escondido, California | |
Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Order: | Saxifragales |
| Family: | Grossulariaceae |
| Genus: | Ribes |
| Species: | R. thacherianum
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| Binomial name | |
| Ribes thacherianum | |
| Synonyms[1][2] | |
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R. menziesii var. thacherianum Jeps. 1936 (basionym) | |
Description
editRibes thacherianum is an erect shrub growing to a maximum height around 2.5 meters (over 8 feet). The stems are coated in soft light hairs and bristles, and many of the stem nodes bear hard spines. The leaves are 2 to 3 centimeters (0.8-1.2 inches) long and shallowly divided into five dully toothed lobes.[4]
The inflorescence is made up of one or two flowers. Each flower has five reflexed pink sepals around a tube made up of smaller white petals. The stamens and stigmas protrude from the corolla. The fruit is a purple berry about 7 millimeters wide which is covered densely in bristles and hairs.[4]
Distribution
editRibes thacherianum is endemic to Santa Cruz Island, one of the northern Channel Islands of California, and within Channel Islands National Park.[3] It grows in the pine woodlands of the coastal ravines.
References
edit- ^ a b In: Aliso. A series of papers on the native plants of California 4: 92. 1958. "Plant Name Details for Ribes thacherianum". IPNI. Retrieved July 21, 2010.
Notes: R. menziesii var. thacherianum
- ^ Treated as Ribes menziesii variety thacherianum, this species was first described and published in A Flora of California 2: 156. 1936 "Plant Name Details for Ribes menziesii var. thacherianum". IPNI. Retrieved July 21, 2010.
- ^ a b Calflora taxon report, University of California, Ribes thacherianum (Jepson) Munz, Santa Cruz Island gooseberry, Santa Cruz gooseberry
- ^ a b Flora of North America
External links
edit- Jepson Manual Treatment - Ribes thacherianum
- California Native Plant Society Rare Plant Profile: Ribes thacherianum
- Ribes thacherianum - Calphotos Photo gallery, University of California
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