Caulanthus heterophyllus |
|
---|---|
San Diego jewelflower, San Diego wild cabbage, slender pod jewelflower |
|
Habit | Annuals; hispid basally, glabrous or subglabrate distally. |
Stems | erect, usually branched distally, 2.5–12 dm, hispid. |
Basal leaves | weakly rosulate; petiole 0.3–3 cm; blade linear-oblanceolate to linear-oblong, 0.7–7 cm × 2–18 mm, margins coarsely dentate or pinnately lobed. |
Cauline leaves | (median) sessile; blade linear-lanceolate, 5–16 cm × 5–40 mm, (smaller distally, base amplexicaul to sagittate), margins dentate or (distalmost) entire. |
Racemes | (densely flowered), without a terminal cluster of sterile flowers. |
Flowers | sepals erect (purple or yellow to creamy white), lanceolate, 3–8 × 1–1.8 mm (equal); petals purple or yellowish (often with darker purple veins), 5–15 mm, blade 2–6 × 1–1.5 mm, not crisped, claw narrowly oblanceolate or oblong, 3–9 × 1–1.5 mm; filaments tetradynamous, median pairs 3–6 mm, lateral pair 2–5 mm; anthers oblong, equal, 1–3 mm. |
Fruiting pedicels | reflexed, 2–8 mm, glabrous or hispid. |
Fruits | reflexed (often straight, rarely curved), latiseptate or 4-angled, 4.5–10 cm × 1–1.5 mm; valves each with prominent midvein; ovules 56–82 per ovary; style 0.5–3.5mm; stigma slightly 2-lobed. |
Seeds | 1.2–2 × 0.9–1.4 mm. |
2n | = 28. |
Caulanthus heterophyllus |
|
Phenology | Flowering Mar–May. |
Habitat | Coastal scrub, chaparral, rocky areas |
Elevation | 0-1400 m (0-4600 ft) |
Distribution |
CA; Mexico (Baja California)
|
Discussion | Caulanthus heterophyllus is a common species distributed from Santa Barbara County southward into northwestern Baja California, Mexico. R. E. Buck (1993) divided the species into two varieties, including one invalidly published, based on flower color, but these are treated here as mere color variants. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 7, p. 682. |
Parent taxa | |
Sibling taxa | |
Synonyms | Streptanthus heterophyllus, C. stenocarpus, Guillenia heterophylla, Streptanthus repandus |
Name authority | (Nuttall) Payson: Ann. Missouri Bot. Gard. 9: 298. (1923) |
Web links |