Cleomella hillmanii |
Cleomella angustifolia |
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desert stinkweed, Hillman's cleomella, Hillman's stinkweed |
narrowleaf rhombopod |
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Habit | Plants 10–55(–85) cm. | Plants (30–)40–150(–200) cm. | ||||
Stems | sparsely branched proximally (central stem dominant); glabrous. |
sparsely branched distally (central stem dominant); glaucous, glabrous. |
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Leaves | 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. |
stipules (± deciduous) 2–4-fid, 0.5–1 mm (scarious); petiole 0.7–2.8 cm; leaflet blade linear to elliptic, 2.3–5.5 × 0.2–0.8 cm, thin, margins entire, apex acute, surfaces glabrous. |
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Inflorescences | racemes, terminating stems, 3–10 cm (2–20 cm in fruit); bracts unifoliate, 5–9 mm. |
racemes, terminating stems and branches, 1–6 cm (10–40 cm in fruit); bracts trifoliate proximally, unifoliate distally, 7–15 mm. |
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Pedicels | divergent in fruit, 5–12 mm (4.5–17 mm in fruit). |
reflexed in fruit, 5–10 mm (6–13 mm in fruit). |
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Flowers | 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. |
sepals yellow, deltate, 1–2.2 × 0.5–1 mm, glabrous; petals orange-yellow, ovate, (3–)4–5(–6) × 1–2 mm, glabrous; stamens yellow, 7–10 mm; anthers 1.5–2.2 mm; gynophore reflexed, 4–7 mm in fruit; ovary rhomboidal, 1–1.5 mm; style 0.3–0.5 mm. |
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Capsules | rhomboidal, 3.5–6 × 4–10.5 mm, glabrous. |
rhomboidal, 4–6 × 6–12 mm, glabrous. |
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Seeds | (1 or) 2–6, stramineous, globose, 2–2.7 mm, smooth. |
2–4(–6), gray with black mottling, reniform, 2–3 mm, rugose. |
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Cleomella hillmanii |
Cleomella angustifolia |
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Phenology | Flowering mid spring–summer. | |||||
Habitat | Pond shores, stream bottoms, roadsides, grasslands, heavy alkaline clayey or sandy soils | |||||
Elevation | 200-1200 m (700-3900 ft) | |||||
Distribution |
CA; ID; NV; OR; UT
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CO; KS; NE; OK; TX
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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. 210. | FNA vol. 7, p. 210. | ||||
Parent taxa | Cleomaceae > Cleomella | Cleomaceae > Cleomella | ||||
Sibling taxa | ||||||
Subordinate taxa | ||||||
Name authority | A. Nelson: Proc. Biol. Soc. Wash. 18: 171. (1905) | Torrey: Hooker’s J. Bot. Kew Gard. Misc. 2: 255. (1850) | ||||
Web links |