Ivesia lycopodioides var. scandularis

(Rydberg) Ertter & Reveal

Novon 17: 324. 2007.

Common names: White Mountains ivesia
Endemic
Basionym: Horkelia scandularis Rydberg Monogr. N. Amer. Potentilleae, 150, plate 91, figs. 5–9. 1898
Synonyms: Ivesia lycopodioides subsp. scandularis (Rydberg) D. D. Keck Potentilla lycopodioides var. scandularis (Rydberg) J. T. Howell
Treatment appears in FNA Volume 9. Treatment on page 232.
Revision as of 13:04, 30 July 2020 by imported>Volume Importer
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Stems decumbent to ascending, 0.5–1.5 dm. Basal leaves 3–8 cm; leaflets tightly overlapping, short-hirsute, lobes obovate, 1–3 mm, apical setae (0–) 0.5–1 (–2) mm. Cauline leaves 0–1. Inflorescences usually ± capitate, 3–15 (–20) -flowered, 1–2 (–3) cm diam. Flowers 6–12 mm diam.; petals broadly obovate, 3–5 × 2–3 mm; filaments 1.2–1.5 mm; styles 2–3 mm.


Phenology: Flowering summer.
Habitat: Moist slopes, fellfields, in high-elevation sagebrush communities, subalpine to alpine conifer woodlands, alpine tundra
Elevation: 3000–4000 m

Discussion

Variety scandularis is the only variety that occurs in the White Mountains of Inyo and Mono counties, California; scattered populations occur also on the eastern side of the Sierra Nevada. Leaflet lobes are intermediate in size between those of the other two varieties and usually are tipped with a single bristle to 2 mm.

Selected References

None.

Lower Taxa

None.

"thin" is not a number."dm" is not declared as a valid unit of measurement for this property."dm" is not declared as a valid unit of measurement for this property."dm" is not declared as a valid unit of measurement for this property.

not carunculate +
greenish tan +  and light-brown +
1.2mm +  and 1.5mm +
longer than wide +
0.06 cm0.6 mm <br />6.0e-4 m <br /> (0.08 cm0.8 mm <br />8.0e-4 m <br />) +
acute;truncate rounded or emarginate +
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
Barbara Ertter +  and James L. Reveal +
(Rydberg) Ertter & Reveal +
compound +  and simple +
opposite +  and alternate +
3 cm30 mm <br />0.03 m <br /> (8 cm80 mm <br />0.08 m <br />) +
Horkelia scandularis +
20 cm200 mm <br />0.2 m <br /> (25 cm250 mm <br />0.25 m <br />) +
narrowly oblong +  and filiform planar +
reduced +
0.5 cm5 mm <br />0.005 m <br /> (20 cm200 mm <br />0.2 m <br />) +
coriaceous +
reduced +
elongate +
free +  and distinct +
branched +  and simple +
White Mountains ivesia +
not +  and aggregated +
3000–4000 m +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
oblong +  and oval +
0.08 cm0.8 mm <br />8.0e-4 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
0.12 cm1.2 mm <br />0.0012 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
0.6 cm6 mm <br />0.006 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
unisexual +  and bisexual +
not +  and aggregated +
deciduous +
obliquely ovoid +  and reniform +
0.08 cm0.8 mm <br />8.0e-4 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
loose +  and capitate +
Moist slopes, fellfields, in high-elevation sagebrush communities, subalpine to alpine conifer woodlands, alpine tundra +
0.02 cm0.2 mm <br />2.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
0.3 cm3 mm <br />0.003 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
3-15(-20)-flowered +
1 cm10 mm <br />0.01 m <br /> (2 cm20 mm <br />0.02 m <br />) +
crassinucellate +
opposite +  and alternate +
winter-marcescent +
deciduous +  and persistent +
, +  and distinct +
not +  and distinguishable +
short-hirsute +
0.1 cm1 mm <br />0.001 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
obovate +
? (?) +  and ? (?) +
verticillate +
toothed +, unlobed +  and lobed +
inferior +  and superior +
clustered +, biseriate +  and superposed +
0.7 cm7 mm <br />0.007 m <br /> (1.1 cm11 mm <br />0.011 m <br />) +
0.1 cm1 mm <br />0.001 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
0 (?) +  and 4 (?) +
golden yellow +
free +  and distinct +
obovate +
0.2 cm2 mm <br />0.002 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (4 cm40 mm <br />0.04 m <br />) +
Flowering summer. +
adnate +, free +, connate +  and distinct +
not arillate +
0.4 cm4 mm <br />0.004 m <br /> (0.45 cm4.5 mm <br />0.0045 m <br />) +
persistent +
free +  and distinct +
erect +  and spreading +
obtuse +  and acute +
0.2 cm2 mm <br />0.002 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
free +  and distinct +
branched +  and simple +
reddish +, grayish +  and green +
decumbent +  and ascending +
2 +  and 20 +
palmate +  and pinnate +
linear;lanceolate or elliptic +
deciduous +
distinct +
subterminal +
filiform +
rough-thickened +
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
Ivesia lycopodioides subsp. scandularis +  and Potentilla lycopodioides var. scandularis +
slender;stout +
Ivesia lycopodioides var. scandularis +
Ivesia lycopodioides +
variety +
inconspicuous +
stipelike +, elongate +, less flat +  and conic or turbinate +
enlarged +
glabrate +  and sparsely densely glandular-puberulent +