Difference between revisions of "Ribes thacherianum"
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|common_names=Santa Cruz Island gooseberry | |common_names=Santa Cruz Island gooseberry | ||
| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=E | ||
| + | |label=Endemic | ||
| + | }} | ||
|basionyms={{Treatment/ID/Basionym | |basionyms={{Treatment/ID/Basionym | ||
|name=Ribes menziesii var. thacherianum | |name=Ribes menziesii var. thacherianum | ||
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|publication title=Aliso | |publication title=Aliso | ||
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| − | |special status= | + | |special status=Endemic |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V8/V8_53.xml |
|genus=Ribes | |genus=Ribes | ||
|species=Ribes thacherianum | |species=Ribes thacherianum | ||
Latest revision as of 22:44, 5 November 2020
Plants 1–2.5 m. Stems erect, densely white soft-pubescent; spines at nodes absent or 1–3, 4–8 mm; prickles on internodes scattered, glandular and eglandular. Leaves: petiole 1–2 cm, copiously white-pilose; blade oblong to roundish, shallowly 5-lobed, cleft 1/4–1/3 to midrib, 2–3 cm, base truncate, surfaces soft-pubescent abaxially, subglabrous adaxially, lobes rounded, margins coarsely crenate-dentate, apex rounded to acute. Inflorescences pendent, solitary flowers or 2-flowered racemes, 2–4 cm, axis white-pilose. Pedicels not jointed, 6–8 mm, pilose; bracts broadly lanceolate, 2–3 mm, white-pilose. Flowers: hypanthium pinkish, narrowly tubular, 4–5 mm (1/2 as long as sepals), white-pilose, not glandular; sepals not overlapping, erect, pinkish, lanceolate, 9–10 mm; petals connivent, erect, white, oblong, inrolled, 4–6 mm; nectary disc not prominent; stamens 1.3 times as long as petals; filaments linear, 4–6 mm, glabrous; anthers white, lanceolate, somewhat sagittate, 3 mm, apex apiculate; ovary pilose, not glandular; styles connate nearly 3/4 their lengths, 9–11 mm, glabrous. Berries palatability not known, purple, subglobose, 7 mm, pilose-hairy with nonglandular spines.
Phenology: Flowering Nov–Jul.
Habitat: Ravines in pine forests
Elevation: 0-700 m
Discussion
Ribes thacherianum is known only from Santa Cruz Island, Santa Barbara County. The indehiscent part of the anther is short and dark.
Selected References
None.