Difference between revisions of "Paxistima"
Sylva Tell., 42. 1838.
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--><p>Pachystima and Pachistima are orthographic variants used frequently in the flora area.</p> | --><p>Pachystima and Pachistima are orthographic variants used frequently in the flora area.</p> | ||
|tables= | |tables= | ||
| − | |references= | + | |references={{Treatment/Reference |
| + | |id=navaro1990a | ||
| + | |text=Navaro, A. M. and W. H. Blackwell. 1990. A revision of Paxistima (Celastraceae). Sida 14: 231–249. | ||
| + | }}{{Treatment/Reference | ||
| + | |id=wheeler1943a | ||
| + | |text=Wheeler, L. C. 1943. History and orthography of the celastraceous genus "Pachystima" Rafinesque. Amer. Midl. Naturalist 29: 792–795. | ||
| + | }} | ||
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|family=Celastraceae | |family=Celastraceae | ||
|distribution=North America;n Mexico. | |distribution=North America;n Mexico. | ||
| − | |reference= | + | |reference=navaro1990a;wheeler1943a |
|publication title=Sylva Tell., | |publication title=Sylva Tell., | ||
|publication year=1838 | |publication year=1838 | ||
|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/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V12/V12_890.xml |
|genus=Paxistima | |genus=Paxistima | ||
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-->[[Category:Treatment]][[Category:Celastraceae]] | -->[[Category:Treatment]][[Category:Celastraceae]] | ||
Revision as of 19:57, 16 December 2019
Shrubs. Branchlets 4-angled, with corky ridges. Leaves persistent, opposite; stipules present; petiole present or absent; blade margins finely toothed; venation pinnate. Inflorescences axillary, cymes or flowers solitary. Flowers bisexual, radially symmetric; perianth and androecium perigynous; hypanthium free from ovary; sepals 4, distinct; petals 4, reddish brown to yellowish green; nectary intrastaminal, lining hypanthium, fleshy; stamens 4, adnate to nectary margin; staminodes 0; pistil 2-carpellate; ovary superior, immersed in and adnate to nectary, 2-locular, placentation axile; style 1; stigmas 2; ovules 2 per locule. Fruits capsules, 2-locular, ellipsoid or obovoid, apex not beaked. Seeds 1 per locule, ellipsoid or obovoid, not winged; aril yellow or white, surrounding base and 1 side of seed, lacerate or fringed. x = 16.
Distribution
North America, n Mexico.
Discussion
Species 2 (2 in the flora).
Pachystima and Pachistima are orthographic variants used frequently in the flora area.
Selected References
Lower Taxa
Key
| 1 | Shrubs 1–4 dm; leaves 5–20 × 2–4 mm, usually linear to narrowly elliptic, rarely oblanceolate; capsules 3–4 mm. | Paxistima canbyi |
| 1 | Shrubs 5–10 dm; leaves 8–34 × 3–12 mm, ovate, elliptic, or oblanceolate; capsules 4–7 mm. | Paxistima myrsinites |