Cleomella plocasperma |
Cleomella angustifolia |
|
---|---|---|
alkali cleomella, alkali stinkweed, twisted cleomella |
narrowleaf rhombopod |
|
Habit | Plants 10–55(–85) cm. | Plants (30–)40–150(–200) cm. |
Stems | sparsely branched distally (central stem dominant); glabrous. |
sparsely branched distally (central stem dominant); glaucous, glabrous. |
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 (± 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. |
Inflorescences | racemes, terminating stems and branches, 1–15 cm (2–20 cm in fruit); bracts unifoliate, 5–25 mm. |
racemes, terminating stems and branches, 1–6 cm (10–40 cm in fruit); bracts trifoliate proximally, unifoliate distally, 7–15 mm. |
Pedicels | ascending in fruit, 5–10 mm (6–12 mm in fruit). |
reflexed in fruit, 5–10 mm (6–13 mm in fruit). |
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 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. |
Capsules | ovoid to rhomboidal, 2.5–5 × 2.5–6(–8) mm, glabrous. |
rhomboidal, 4–6 × 6–12 mm, glabrous. |
Seeds | 2–4, silver-gray with black mottling, globose, 2–2.2 mm, smooth. |
2–4(–6), gray with black mottling, reniform, 2–3 mm, rugose. |
Cleomella plocasperma |
Cleomella angustifolia |
|
Phenology | Flowering mid spring–fall. | Flowering mid spring–summer. |
Habitat | Wet alkaline meadows, greasewood flats, around thermal springs | Pond shores, stream bottoms, roadsides, grasslands, heavy alkaline clayey or sandy soils |
Elevation | 800-1400 m (2600-4600 ft) | 200-1200 m (700-3900 ft) |
Distribution |
CA; ID; NV; OR; UT
|
CO; KS; NE; OK; TX
|
Source | FNA vol. 7, p. 213. | FNA vol. 7, p. 210. |
Parent taxa | Cleomaceae > Cleomella | Cleomaceae > Cleomella |
Sibling taxa | ||
Synonyms | C. oöcarpa, C. plocasperma var. mojavensis, C. plocasperma var. stricta | |
Name authority | S. Watson: Botany (Fortieth Parallel), 33. (1871) | Torrey: Hooker’s J. Bot. Kew Gard. Misc. 2: 255. (1850) |
Web links |