Physaria lata |
Physaria sessilis |
|
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Lincoln County bladderpod |
sessile bladderpod |
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Habit | Perennials; caudex simple, (not thickened); densely pubescent, trichomes (short-stalked), several-rayed, rays distinct, furcate or bifurcate, (tuberculate, much less so over center, often nearly smooth on lower layer). | Annuals or biennials; with a fine taproot; densely pubescent, trichomes (sessile or short-stalked), 4–6-rayed, rays usually furcate, rarely bifurcate, (moderately tuberculate or nearly smooth). |
Stems | simple from base, spreading or erect, (unbranched), ca. 1 dm. |
simple or few to several from base, erect, (often distal 1/2 branched), to 6 dm. |
Basal leaves | (petiole long, slender); blade elliptic to obovate, 3–4 cm, (base narrowing to petiole), margins entire. |
blade oblanceolate, to 9 cm, margins entire, dentate, or sinuate to lyrate-pinnatifid. |
Cauline leaves | (shortly petiolate); blade elliptic to obovate, 1–2 cm, margins entire. |
(proximal shortly petiolate, distal sessile); blade narrowly elliptic to linear, 2–4(–6) cm, margins entire or repand to shallowly dentate. |
Racemes | dense. |
loose. |
Flowers | sepals narrowly elliptic or oblong, ca. 4.5 mm, (median pair thickened apically, cucullate); petals narrowly spatulate, 7–8 mm. |
sepals elliptic or elongate-ovate, 3.4–5.2(–6.5) mm, (lateral pair subsaccate, median pair thickened apically, cucullate); petals obovate or deltate, 5–10 mm, (sometimes with short claw, margins undulate). |
Fruiting pedicels | (sigmoid), 5–8 mm. |
(divaricate-ascending to widely spreading, straight), 8–20 mm. |
Fruits | (erect, substipitate), globose, ellipsoid, or obovoid, not or slightly compressed, 3–4 mm; valves sparsely pubescent, sometimes few trichomes inside; ovules 10–12 per ovary; style 3–5 mm. |
globose or subglobose, sometimes slightly compressed, 3–6 mm; valves (not retaining seeds after dehiscence), densely papillose, densely pubescent inside, trichomes raised; replum as wide as or wider than fruit; ovules 8–18 per ovary; style 1.5–3.5 mm. |
Seeds | flattened. |
flattened. |
2n | = 12. |
|
Physaria lata |
Physaria sessilis |
|
Phenology | Flowering Apr–Jul. | Flowering and fruiting Apr–Jun. |
Habitat | Limestone soils and rocky places, pinyon-juniper-oak woodland and montane coniferous forest | Limestone chip, black soils, grassy roadsides, fields, limestone, oak woodlands, mesquite brush lands, pastures, open dry hills |
Elevation | 2100-2900 m (6900-9500 ft) | 30-700 m (100-2300 ft) |
Distribution |
NM |
TX |
Discussion | Of conservation concern. Additional research is needed to determine whether Physaria lata is a variant of P. pinetorum, with which it sometimes grows. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
|
Source | FNA vol. 7, p. 648. | FNA vol. 7, p. 663. |
Parent taxa | ||
Sibling taxa | ||
Synonyms | Lesquerella lata | Lesquerella gracilis var. sessilis, Lesquerella sessilis |
Name authority | (Wooton & Standley) O’Kane & Al-Shehbaz: Novon 12: 325. (2002) | (S. Watson) O’Kane & Al-Shehbaz: Novon 12: 328. (2002) |
Web links |