Wislizenia refracta |
Wislizenia palmeri |
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Jack ass clover, spectacle fruit |
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Habit | Annuals, 40–200 cm. | Subshrubs or shrubs, 50–200 cm. |
Stems | glabrous or glabrate (sometimes smooth when dry). |
glabrous or glabrate. |
Leaves | petiole 0.2–3.1 cm; leaflets 3, green, blade ovate or obovate, (0.4–)1–4.9 × 0.4–2 cm, 1.5–4(–5.5) times as long as wide, margins entire, apex acute to rounded. |
petiole 0.1–2.1 cm; leaflets 3 proximally, 1 distally, gray-green to green, blade ovate to obovate, 0.6–4 × 0.4–2 cm, 3–8(–12) times as long as wide, margins entire, apex emarginate to rounded. |
Racemes | 1–1.5 cm (2–3 cm in fruit). |
1–1.5 cm (2–3 cm in fruit). |
Flowers | sepals green, lanceolate, 0.4–1.7 × 0.2–0.7 mm, more than 1.75 times as long as wide, margins entire, glabrous; petals yellow, oblong, 1.4–4.6 × 0.5–1.8 mm; stamens yellow, 2–6 mm; anthers 0.5–1.7 mm; gynophore (reflexed in fruit), 2–12 mm in fruit, usually shorter than pedicel. |
sepals green, ovate, 0.5–1.7 × 0.4–1.1 mm, less than 1.75 times as long as wide, margins entire, glabrous; petals yellow, oblong, 2.5–6.3 × 1–2.5 mm; stamens yellow, 4–10 mm; anthers (1–)1.5–2.5 mm; gynophore 5 mm in fruit, usually longer than pedicel. |
Seeds | 0.5 × 0.3 mm. |
0.5 × 0.3 mm. |
Schizocarps | 1.2–3.3 × 1 mm. |
1–5.6 × 1 mm. |
2n | = 40. |
= 40. |
Wislizenia refracta |
Wislizenia palmeri |
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Phenology | Flowering spring–fall. | Flowering and fruiting year-round. |
Habitat | Dry sandy flats, desert scrub, roadsides | Sandy washes, coastal dunes, saline flats, desert scrub |
Elevation | 500-2400 m (1600-7900 ft) | 100-500 m (300-1600 ft) |
Distribution |
AZ; CA; NM; NV; TX; UT; Mexico (Chihuahua, Sonora)
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AZ; CA; Mexico (Baja California, Baja California Sur, Sonora) |
Discussion | Wislizenia refracta is known from trans-Pecos Texas, and from the Mojave Desert (San Bernardino County and Little San Bernardino Mountains in Riverside County) in California. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Essentially a Mexican species, Wislizenia palmeri occurs in the flora area in Riverside and San Diego counties in California, and in Organ Pipe National Monument in southern Arizona. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 7, p. 214. | FNA vol. 7, p. 214. |
Parent taxa | Cleomaceae > Wislizenia | Cleomaceae > Wislizenia |
Sibling taxa | ||
Synonyms | W. costellata, W. melilotoides, W. refracta var. melilotoides, W. scabrida | W. divaricata, W. fruticosa, W. mamillata, W. refracta var. mamillata, W. refracta subsp. palmeri, W. refracta var. palmeri |
Name authority | Engelmann: in F. A. Wislizenus, Mem. Tour N. Mexico, 99. (1848) | A. Gray: Proc. Amer. Acad. Arts 8: 622. (1873) |
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