Difference between revisions of "Paxistima"

Rafinesque

Sylva Tell., 42. 1838.

Etymology: Greek pachos, thick, and stigma, alluding to slightly enlarged stigma
Treatment appears in FNA Volume 12. Treatment on page 129. Mentioned on page 112, 119.
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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={{Treatment/Reference
+
|references=
|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=navaro1990a;wheeler1943a
+
|reference=None
 
|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/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V12/V12_890.xml
+
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/eaa6e58056e40c9ef614d8f47aea294977a1a5e9/coarse_grained_fna_xml/V12/V12_890.xml
 
|genus=Paxistima
 
|genus=Paxistima
 
}}<!--
 
}}<!--
  
 
-->[[Category:Treatment]][[Category:Celastraceae]]
 
-->[[Category:Treatment]][[Category:Celastraceae]]

Revision as of 19:01, 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

None.

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