OregonFlora: Luina hypoleuca

	Luina hypoleuca
	littleleaf luina, littleleaf silverback, silverback luina
Habit	Plants 8–60 cm.
Stems	spreading to erect.
Leaves	ovate to broadly elliptic, 18–65 × 7–40 mm; margins entire or remotely denticulate; surfaces adaxially glabrate to glabrous, often shiny, sessile.
Involucres	5–9 mm.
Florets	11–23; corollas 8–11 mm, white or cream.
Phyllaries	6–10.
Fruits	3–4 mm, brown, 9–10-veined.
2n	=60.

	Luina hypoleuca
Distribution	[WildflowerSearch map] [BONAP county map]
Discussion	Rocky cliffs, ridge tops, talus, streambanks, roadsides, serpentine. Flowering May–Aug. 0–1700 m. CR, Sisk. CA, WA; north to British Columbia. Native. The frequent occurrence of L. hypoleuca in crevices of rock cliffs is facilitated by its deep-seated taproots or taproot-like rhizomes.
Source	Flora of Oregon, volume 2, page 305 Kenton Chambers
Sibling taxa	L. serpentina
Web links	Local floras: BC, CA, OR, WA Local Web sites: CalFlora, CalPhotos, Flora NW, PNW Herbaria, Turner Photog. WildflowerSearch iNaturalist (observations) USDA Plants Database LBJ Wildflower Center SEINet Plants of the World Online Encyclopedia of Life Wikipedia Google Image Search

Luina hypoleuca

littleleaf luina, littleleaf silverback, silverback luina

Habit

Plants 8–60 cm.

Stems

spreading to erect.

Leaves

ovate to broadly elliptic, 18–65 × 7–40 mm;

margins entire or remotely denticulate;

surfaces adaxially glabrate to glabrous, often shiny, sessile.

Involucres

5–9 mm.

Florets

11–23;

corollas 8–11 mm, white or cream.

Phyllaries

6–10.

Fruits

3–4 mm, brown, 9–10-veined.

=60.

Luina hypoleuca

Distribution

[WildflowerSearch map]

[BONAP county map]

Discussion

Rocky cliffs, ridge tops, talus, streambanks, roadsides, serpentine. Flowering May–Aug. 0–1700 m. CR, Sisk. CA, WA; north to British Columbia. Native.

The frequent occurrence of L. hypoleuca in crevices of rock cliffs is facilitated by its deep-seated taproots or taproot-like rhizomes.

Source

Flora of Oregon, volume 2, page 305
Kenton Chambers

Sibling taxa

L. serpentina

Web links