Flora of North America species comparison

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Sullivantia oregana

Oregon coolwort, Oregon sullivantia
Habit Plants stoloniferous.
Flowering stems

erect, 5–45 cm.
Leaves

blade 1–12 cm wide, 1–2 times toothed, 7–11-lobed for 1/3–1/2 length, lobes cuneate to cuneate-oblong;

margins entire or erose with long bristles.
Inflorescences

erect, primary and higher-order branches perpendicular to central axis.
Flowers

hypanthium widely turbinate-campanulate, portion distal to adnation to ovary marked by conspicuous flaring, 1.5–2.5 × 2–4.5 mm, stipitate-glandular proximally;

sepals triangular, 0.9–1.5 × 0.8–1.2 mm, broader than long at apex, apex acute;

petals unlobed, 1.6–2.5 mm, suborbiculate, abruptly clawed, 1–1.8 mm wide;

ovary 4/5+ inferior.
Capsules

cylindric, 3.8–7.1 × 1.2–2.6 mm, beaks ± spreading.
Seeds

dark red-brown, 1.1–1.7 × 0.3–0.5 mm, main body (excluding winged margins) 0.8–1 mm.
2n

= 14.

Sullivantia oregana
Phenology Flowering May–Jul.
Habitat Moist, basaltic cliffs, typically near waterfalls
Elevation 0-400(-1400) m (0-1300(-4600) ft)
Distribution
from FNA
OR; WA
[WildflowerSearch map]
[BONAP county map]
Source FNA vol. 8, p. 122.
Parent taxa Saxifragaceae > Sullivantia
Sibling taxa
S. hapemanii, S. sullivantii
Name authority S. Watson: Proc. Amer. Acad. Arts 14: 292. (1879)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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(If the plant you're looking for doesn't show up in the auto-complete list, that means it either isn't described in Flora of North America yet, or it's listed under a synonym. And please note that Flora of North America is still missing several plant families, including Fabaceae, Apiaceae, Boraginaceae, and Polemoniaceae.)

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