Solanum wallacei |
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Catalina nightshade, greasy or Santa Catalina or Wallace's nightshade, northern island nightshade, Wallace's nightshade |
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Habit | Shrubs or small trees, erect to spreading, unarmed, 1–1.5(–3) m, densely pubescent, hairs transparent, unbranched, to ca. 3 mm, usually glandular. |
Leaves | petiolate; petiole 1–2.5(–4) cm; blade simple, elliptic to obovate, 3–11(–14) × 1.6–5.5(–9) cm, margins entire or slightly undulate, occasionally with 2 small lobes at base, lobe margins entire, base truncate or acute. |
Inflorescences | terminal or lateral, leaf-opposed or extra-axillary, usually once-branched, occasionally more, 20–30-flowered, (2–)4–10 cm. |
Pedicels | inserted into small sleeve on inflorescence axis, 1.5–2 cm in flower and fruit. |
Flowers | radially symmetric; calyx not accrescent, unarmed, 6–7 mm, densely pubescent, lobes deltate; corolla violet to purple with or without green spots at base of lobes, spots usually small and not confluent, rotate, 3–4.5 cm diam., with abundant interpetalar tissue; stamens equal; anthers ellipsoidal, 4.5–5 mm, dehiscent by terminal pores that open into longitudinal slits; ovary glabrous. |
Berries | shiny green, turning yellow then black, globose, 3–4 cm diam., glabrous, without sclerotic granules. |
Seeds | reddish brown, plump to flattened, 1.5–2 × 1–1.5 mm, minutely pitted. |
Solanum wallacei |
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Phenology | Flowering Mar–Aug. |
Habitat | Chaparral, open areas, canyon bottoms. |
Elevation | 0–300 m. (0–1000 ft.) |
Distribution |
CA
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Discussion | Solanum wallacei is endemic to Santa Catalina Island. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 14. |
Parent taxa | Solanaceae > Solanum |
Sibling taxa | |
Synonyms | S. xanti var. wallacei, S. umbelliferum var. wallacei |
Name authority | (A. Gray) Parish: Proc. Calif. Acad. Sci., ser. 3, 2: 166. (1901) |
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