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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|common_names=Mexican clammyweed | |common_names=Mexican clammyweed | ||
− | |basionyms={{Treatment/ID/ | + | |basionyms={{Treatment/ID/Basionym |
|name=Cleome uniglandulosa | |name=Cleome uniglandulosa | ||
|authority=Cavanilles | |authority=Cavanilles | ||
+ | |publication_title=Icon. | ||
+ | |publication_place=4: 3, plate 306. 1797 | ||
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|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
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|publication year=1824 | |publication year=1824 | ||
|special status= | |special status= | ||
− | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V7/V7_269.xml |
|genus=Polanisia | |genus=Polanisia | ||
|species=Polanisia uniglandulosa | |species=Polanisia uniglandulosa |
Revision as of 20:21, 24 September 2019
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.