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.
 TaxonIllustrator 
FNA12 P17 Paxistima canbyi.jpegSchaefferia cuneifolia
Oxalis corniculata
Paxistima canbyi
Yevonn Wilson-Ramsey

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.

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
... more about "Paxistima"
white +  and yellow +
Jinshuang Ma +
Rafinesque +
1-veined +, palmate +  and pinnate +
North America +  and n Mexico +
Greek pachos, thick, and stigma, alluding to slightly enlarged stigma +
obovoid +  and ellipsoid +
axillary +  and terminal +
bisexual +  and unisexual +
persistent +
intrastaminal +
parietal +, axile +  and placentation +
reddish-brown +  and yellowish green +
distinct +
Sylva Tell., +
navaro1990a +  and wheeler1943a +
obovoid +  and ellipsoid +
fringed +  and lacerate +
distinct +
Paxistima +
Celastraceae +
evergreen +, deciduous +, perennial +  and annual +
polygamomonoecious +, dioecious +  and synoecious +