Difference between revisions of "Ribes thacherianum"
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|name=Ribes menziesii var. thacherianum | |name=Ribes menziesii var. thacherianum | ||
|authority=Jepson | |authority=Jepson | ||
| + | |rank=variety | ||
|publication_title=Fl. Calif. | |publication_title=Fl. Calif. | ||
|publication_place=2: 156. 1936 | |publication_place=2: 156. 1936 | ||
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name=Ribes thacherianum | name=Ribes thacherianum | ||
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|authority=(Jepson) Munz | |authority=(Jepson) Munz | ||
|rank=species | |rank=species | ||
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|publication year= | |publication year= | ||
|special status= | |special status= | ||
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V8/V8_53.xml |
|genus=Ribes | |genus=Ribes | ||
|species=Ribes thacherianum | |species=Ribes thacherianum | ||
Revision as of 22:29, 16 December 2019
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.