Physaria lindheimeri |
|
---|---|
Lindheimer's bladderpod |
|
Habit | Annuals or biennials; with a fine taproot; densely pubescent, trichomes (sessile or short-stalked), 4–7-rayed, rays usually furcate at base, sometimes bifurcate, (rough-tuberculate throughout). |
Stems | several from base, erect or outer decumbent, (often several-branched, branches slender and flexuous), to 8 dm. |
Basal leaves | blade pinnatisect to repand, 3–9(–14) cm, margins entire. |
Cauline leaves | (sometimes secund, proximal usually petiolate, distal sessile); blade elliptic, 1–6 cm, (distal with cuneate base), margins entire or deeply dentate. |
Racemes | dense. |
Flowers | sepals elliptic to oblong, 3–5.5 mm, (median pair slightly thickened apically, cucullate); petals (sometimes drying slightly purplish), suborbicular or broadly ovate, 4.5–7(–9) mm, (narrowing gradually to short claw). |
Fruiting pedicels | (horizontal or recurved and ascending at tip, sometimes loosely sigmoid), (5–)10–20 mm. |
Fruits | globose or broadly ellipsoid, not or slightly inflated, (4–)5–8 mm, (smooth); valves (not retaining seeds after dehiscence), glabrous; replum as wide as or wider than fruit; ovules (8–)12–16(–20) per ovary; style (1.5–)2–3(–4) mm. |
Seeds | flattened. |
2n | = 12. |
Physaria lindheimeri |
|
Phenology | Flowering Dec–Apr. |
Habitat | Heavy, black, claylike soils, or lighter, sandy soils, thickets, field-margins, roadsides, coastal prairies |
Elevation | 20-800 m (100-2600 ft) |
Distribution |
TX; Mexico (Tamaulipas) |
Source | FNA vol. 7, p. 649. |
Parent taxa | |
Sibling taxa | |
Synonyms | Vesicaria lindheimeri, Alyssum lindheimeri, Lesquerella gracilis var. pilosa, Lesquerella lindheimeri |
Name authority | (A. Gray) O’Kane & Al-Shehbaz: Novon 12: 325. (2002) |
Web links |