Euonymus occidentalis

Nuttall ex Torrey in War Department [U.S.]

Pacif. Railr. Rep. 4(5): 74. 1857.

Common names: Western spindle-tree
Endemic
Treatment appears in FNA Volume 12. Treatment on page 124. Mentioned on page 123.

Shrubs 2–6 m. Stems erect or scandent; young branches 4-angled, not corky winged. Leaves deciduous; petiole 3–15 mm; blade ovate to obovate, 4–10 × 2–7 cm, base rounded to narrowly cuneate, margins serrulate, apex obtuse, rounded, or acuminate. Inflorescences axillary, 1–5 flowered. Flowers: sepals 5; petals 5, brownish purple sometimes spotted, round or oblong, 3–6.5 × 2–4 mm; stamens 5; ovary smooth. Capsules pink to purple, subglobose to obovoid, 11–12 × 12–15 mm, moderately 3 (–5) -lobed, lobes clearly connate, surface smooth. Seeds obovoid, 6–8 × 4–5 mm; aril orange to red.

Discussion

Varieties 2 (2 in the flora).

Selected References

None.

Key

1 Leaf blade apices acuminate; twigs greenish; inflorescences 1–5-flowered. Euonymus occidentalis var. occidentalis
1 Leaf blade apices obtuse or rounded; twigs whitish; inflorescences 3–5-flowered. Euonymus occidentalis var. parishii
... more about "Euonymus occidentalis"
orange +  and red +
Jinshuang Ma +  and Geoffrey A. Levin +
Nuttall ex Torrey in War Department [U.S.] +
rounded +  and narrowly cuneate +
4 cm40 mm <br />0.04 m <br /> (10 cm100 mm <br />0.1 m <br />) +
1-veined +, palmate +  and pinnate +
toothed +  and entire +
ovate;obovate +
2cm;7cm +
4-angled +
4-angled +  and terete +
pink +  and purple +
1.1 cm11 mm <br />0.011 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
3(-5)-lobed +, subglobose +  and obovoid +
1.2 cm12 mm <br />0.012 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
Western spindle-tree +
B.C. +, Calif. +, Oreg. +  and Wash. +
2-5-lobed +, unlobed +, obovoid +, subglobose +  and globose +
adnate +  and free +
bisexual +  and unisexual +
deciduous +
connate +
intrastaminal +
parietal +, axile +  and placentation +
distinct +
0.3 cm3 mm <br />0.003 m <br /> (0.65 cm6.5 mm <br />0.0065 m <br />) +
Oblong (?) +  and Round (?) +
0.2 cm2 mm <br />0.002 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
0.3 cm3 mm <br />0.003 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
4-5-carpellate +
Pacif. Railr. Rep. +
0.6 cm6 mm <br />0.006 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
obovoid +
0.4 cm4 mm <br />0.004 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
distinct +
Euonymus occidentalis +
Euonymus +
species +
evergreen +, deciduous +, perennial +  and annual +
polygamomonoecious +, dioecious +  and synoecious +