Asarum lemmonii

S. Watson

Proc. Amer. Acad. Arts 14: 294. 1879.

Endemic
Treatment appears in FNA Volume 3.

Rhizomes horizontal, shallow, internodes (0.6-) 1-4 cm. Leaves: petiole (3.5-) 6-26 cm, sparsely crisped-hirsute. Leaf-blade not variegate, cordate to almost reniform, 4-6.5 × 7-10.5 cm, apex broadly rounded-acute to rounded; surfaces abaxially sparsely appressed-hirsute, adaxially glabrous or sparsely hirsute along veins, marginal hairs perpendicular to margin or curved toward apex. Flowers descending; peduncle 2-3. calyx-tube cylindric, externally reddish, at least in part, glabrous or sparsely hirsute, internally white, rarely with longitudinal red stripes, with white or purple hairs; distal portion of sepal strongly reflexed at anthesis, 4-8 mm, apex acute to apiculate or short-acuminate, abaxially purple, glabrous or sparsely hirsute, adaxially red, puberulent with crisped pale or purple hairs; pollen-sacs 1-1.5 mm, sterile tip of connective on inner stamens purple or brown, 0.5-1 mm, shorter than pollen-sacs. 2n = 26.


Phenology: Flowering spring–summer (May–Jul).
Habitat: Wet places, usually near creeks, in understory of conifer forests
Elevation: 1100-1900 m

Discussion

Asarum lemmonii is endemic to the Sierra Nevada.

Selected References

None.

Lower Taxa

None.

"broad" is not a number.

... more about "Asarum lemmonii"
4cm;6.5cm +
puberulent +, hirsute +  and glabrous +
acute;apiculate or short-acuminate +
7cm;10.5cm +
Alan T. Whittemore +, Michael R. Mesler +  and Karen L. Lu +
S. Watson +
white +  and reddish +
hirsute +  and glabrous +
merous +  and petaloid +
tubular +
enlarged +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
fan--shaped +
1100-1900 m +
sessile +  and petiolate +
indehiscent +  and loculicidal +
Wet places, usually near creeks, in understory of conifer forests +
purple +, pale +, crisped +  and white +
axillary +  and terminal +
brown +  and purple +
with weak longitudinal ribs +  and smooth +
0.6 cm6 mm <br />0.006 m <br /> (1 cm10 mm <br />0.01 m <br />) +
1 cm10 mm <br />0.01 m <br /> (4 cm40 mm <br />0.04 m <br />) +
broadly rounded-acute;rounded +
leathery;membranous +
petiolate +  and simple +
2-ranked +  and alternate +
parietal +, axile +  and placentation +
3.5 cm35 mm <br />0.035 m <br /> (6 cm60 mm <br />0.06 m <br />) +
crisped-hirsute +
6 cm60 mm <br />0.06 m <br /> (26 cm260 mm <br />0.26 m <br />) +
Flowering spring–summer (May–Jul). +
4-6-carpellate +
0.1 cm1 mm <br />0.001 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
Proc. Amer. Acad. Arts +
purple +  and red +
distinct +
0.4 cm4 mm <br />0.004 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
hirsute +, glabrous +  and appressed-hirsute +
Asarum lemmonii +
species +
deciduous +  and perennial +