Cleomella plocasperma |
Cleomella hillmanii |
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alkali cleomella, alkali stinkweed, twisted cleomella |
desert stinkweed, Hillman's cleomella, Hillman's stinkweed |
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Habit | Plants 10–55(–85) cm. | Plants 10–55(–85) cm. | ||||
Stems | sparsely branched distally (central stem dominant); glabrous. |
sparsely branched proximally (central stem dominant); glabrous. |
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Leaves | stipules (scarious) 0.5–1 mm; petiole 0.8–2 cm; leaflet blade linear-elliptic, 1.5–4.5 × 0.2–0.7 cm, thin, margins entire, apex acute, surfaces glabrous. |
stipules 3–5-fid, 0.5–1 mm (scarious); petiole 2–6(–8) cm; leaflet blade elliptic, ovate, or ovate-oblong, 0.8–2.4 × 0.4–1.4 cm, thin, margins entire, apex obtuse to retuse, mucronulate, surfaces glabrous. |
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Inflorescences | racemes, terminating stems and branches, 1–15 cm (2–20 cm in fruit); bracts unifoliate, 5–25 mm. |
racemes, terminating stems, 3–10 cm (2–20 cm in fruit); bracts unifoliate, 5–9 mm. |
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Pedicels | ascending in fruit, 5–10 mm (6–12 mm in fruit). |
divergent in fruit, 5–12 mm (4.5–17 mm in fruit). |
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Flowers | sepals green, lanceolate, 0.9–2.2 × 0.5–0.7 mm, glabrous; petals yellow or orange, oblong, 3.5–5(–7) × 1.4–1.6(–2) mm, hairy abaxially; stamens yellow, 8–12 mm; anthers 1.5–1.9 mm; gynophore ascending, 6–10 mm in fruit; ovary rhomboidal, 1–1.5 mm; style 0.8–1.2 mm. |
sepals green, ovate-lanceolate, 1–2 × 0.5–0.7 mm, glabrous; petals yellow, oblong, (3.5–)4–8 × 1.8–2.2 mm, glabrous; stamens (well-exserted), yellow, 8–12 mm; anthers 2.5–3 mm; gynophore ascending, 3.5–15 mm in fruit; ovary ovoid, 1–1.3 mm; style (0.7–)1–2 mm. |
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Capsules | ovoid to rhomboidal, 2.5–5 × 2.5–6(–8) mm, glabrous. |
rhomboidal, 3.5–6 × 4–10.5 mm, glabrous. |
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Seeds | 2–4, silver-gray with black mottling, globose, 2–2.2 mm, smooth. |
(1 or) 2–6, stramineous, globose, 2–2.7 mm, smooth. |
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Cleomella plocasperma |
Cleomella hillmanii |
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Phenology | Flowering mid spring–fall. | |||||
Habitat | Wet alkaline meadows, greasewood flats, around thermal springs | |||||
Elevation | 800-1400 m (2600-4600 ft) | |||||
Distribution |
CA; ID; NV; OR; UT
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CA; ID; NV; OR; UT
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Discussion | Varieties 2 (2 in the flora). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Key |
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Source | FNA vol. 7, p. 213. | FNA vol. 7, p. 210. | ||||
Parent taxa | Cleomaceae > Cleomella | Cleomaceae > Cleomella | ||||
Sibling taxa | ||||||
Subordinate taxa | ||||||
Synonyms | C. oöcarpa, C. plocasperma var. mojavensis, C. plocasperma var. stricta | |||||
Name authority | S. Watson: Botany (Fortieth Parallel), 33. (1871) | A. Nelson: Proc. Biol. Soc. Wash. 18: 171. (1905) | ||||
Web links |