Friday, February 17, 2017

Ivesia santolinoides (Mouse-Tail Ivesia, Sierra Ivesia)

 7/2/16 Gravelly area along trail to Horseshoe Meadow, 10,000' elevation,
Lone Pine Region, Eastern Sierra, Inyo National Forest, Inyo County, CA

7/2/16 Gravelly area along trail to Horseshoe Meadow


COMMON NAME: Mouse-Tail Ivesia, Sierra Ivesia

SPECIES: Ivesia santolinoides

FAMILY: Rosaceae (Rose Family)

LIFE LIST DATE: 7/2/2016

LOCATION: 10,000' elevation, gravelly area along trail to Horseshoe Meadow, Lone Pine Region, Inyo National Forest, Eastern Sierra, Inyo County, CA 


Treatment from Jepson eFlora:

Habit: Plant tufted, silvery; caudex 0--several-branched. 

Stem: erect, generally 15--40 cm. 

Leaf: mousetail-like, generally 4--10 cm; sheathing bases densely strigose; leaflets 60--80 per side, indistinct, lobes 1--5, < 1.5 mm, obovate to round; cauline leaves 1--3. 

Inflorescence: open; flowers 30--200, separate; pedicels 5--30 mm, straight. 

Flower: generally 5--8 mm wide; hypanthium length 1/2 width; petals +- 2 mm, 2 × sepals, obovate to round, white; stamens 15; pistil 1. 

Fruit: +- 2 mm, smooth, mottled gray-brown. 

Ecology: Bare places, sandy, granite ledges; 

Elevation: 1500--3600 m. 

Bioregional Distribution: SNH, TR, SnJt. 

Flowering Time: Jun--Sep 

eFlora Treatment Author: Barbara Ertter

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