Difference between revisions of "Polanisia uniglandulosa"
in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. 1: 242. 1824.
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|accepted_name=Polanisia uniglandulosa | |accepted_name=Polanisia uniglandulosa | ||
− | |accepted_authority=(Cavanilles) | + | |accepted_authority=(Cavanilles) de Candolle |
|publications={{Treatment/Publication | |publications={{Treatment/Publication | ||
|title=in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. | |title=in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. | ||
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name=Polanisia uniglandulosa | name=Polanisia uniglandulosa | ||
− | |authority=(Cavanilles) | + | |authority=(Cavanilles) de Candolle |
|rank=species | |rank=species | ||
|parent rank=genus | |parent rank=genus | ||
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|publication year=1824 | |publication year=1824 | ||
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|genus=Polanisia | |genus=Polanisia | ||
|species=Polanisia uniglandulosa | |species=Polanisia uniglandulosa |
Latest revision as of 22:32, 5 November 2020
Perennials, 40–80 cm. Stems sparsely or profusely branched; hairs stalked, glandular throughout. Leaves: petiole green to purple, angled, 1.5–4.5(–6) cm, (glandular); leaflet blade broadly elliptic to oblanceolate, 2–4 × 1–2 cm, margins entire, apex obtuse, mucronulate, surfaces sparsely glandular. Racemes 5–20 cm (10–30 cm in fruit); bracts unifoliate, ovate, 8–12 mm. Pedicels 10–25(–40) mm. Flowers: sepals purple, oblong, 3–6 × 1.5–2.5 mm, margins entire, apex acuminate, glandular; petals white, narrowly spatulate, clawed, abaxial pair 10–20 × 2–3(–5) mm, apex emarginate to lacerate, adaxial pair 15–30 × 3–5 mm, apex emarginate; nectary glands bright orange, not conspicuous (in fruit); stamens 20–27, exserted, purple, 20–50 mm; anthers purple, 1–1.3 mm; gynophore 0–2 mm in fruit; ovary 5–10 mm; style deciduous in fruit, 20–40 mm; stigma purple. Capsules (somewhat inflated), 60–100 × 7–10 mm, reticulate, glandular. Seeds 20–65, dark reddish brown, globose to oblong, 1.5–2 mm, smooth. 2n = 20.
Phenology: Flowering spring–fall.
Habitat: Pinyon, juniper, and oak woodlands, arroyos, riverbeds, roadsides, pastures
Elevation: 300-800 m
Distribution
N.Mex., Tex., Mexico.
Discussion
Polanisia uniglandulosa is the only perennial species of the genus, notable for its large, showy, white petals and silky-iridescent seed testa.
Selected References
None.