Veratrum album var. oxysepalum

(Turczaninow) Miyabe & Kudô

in K. Miyabe and T. Miyake, Fl. Saghalin, 484. 1915.

Basionym: Veratrum oxysepalum Turczaninow Bull. Soc. Imp. Naturalistes Moscou 13: 79. 1840
Treatment appears in FNA Volume 26. Treatment on page 76. Mentioned on page 73.

Stems 0.3–1 m, glabrous proximally, villous in inflorescence. Leaves basal and proximal cauline ovate to elliptic, 10–25 × 5–18 cm, reduced distally, glabrous to sparsely villous at least on veins. Inflorescences spiciform-racemose or with few, short, ascending branches proximally, 0–10 cm, sparsely villous; bracts lanceolate, 1/2 as long as to equaling flowers, sparsely villous, ciliate. Tepals yellowish green, lanceolate to lanceovate, not clawed, 7–12 mm, margins denticulate, sparsely villous at least in proximal 1/2; gland 1, basal, green to yellowish green, V-shaped; ovary subglabrous. Capsules elliptic to oblong, 1–1.5 cm, subglabrous. Seeds flat, broadly winged, 5–7 mm. 2n = 64.


Phenology: Flowering early summer–late fall.
Habitat: Wet, marshy soils in mesic tundra and Salix thickets
Elevation: 0–1000 m

Distribution

V26 63-distribution-map.jpg

Alaska, ne Russia, n Japan (Hokkaido)

Discussion

Selected References

None.

Lower Taxa

None.

"broad" is not a number."thick" is not a number."thicker" is not a number.

persistent +
versatile +  and dorsifixed +
cordate-reniform +
Dale W. McNeal Jr. +  and Aaron D. Shaw +
(Turczaninow) Miyabe & Kudô +
whorled +, opposite +  and alternate +
dilated +
Veratrum oxysepalum +
reticulate-veined +  and parallel-veined +
sheathing +  and involucrate +
lanceolate +
tunicate +  and scaly +
elliptic +  and oblong +
1 cm10 mm <br />0.01 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
Alaska +, ne Russia +  and n Japan (Hokkaido) +
0–1000 m +
sessile +  and pedicellate +
some +  and bisexual +
indehiscent +, septicidal +  and loculicidal +
3-lobed +
membranaceous +  and leathery +
green +  and yellowish green +
v--shaped +
Wet, marshy soils in mesic tundra and Salix thickets +
with few , short , ascending branches +  and spiciform-racemose +
0 cm0 mm <br />0 m <br /> (10 cm100 mm <br />0.1 m <br />) +
veined +  and simple +
persistent +
10 cm100 mm <br />0.1 m <br /> (25 cm250 mm <br />0.25 m <br />) +
cauline +, proximal +  and basal +
glabrous;sparsely villous +
ovate +  and elliptic +
reduced +
5 cm50 mm <br />0.05 m <br /> (18 cm180 mm <br />0.18 m <br />) +
denticulate +
inferior +  and superior +
subglabrous +
many;several +
zygomorphic +  and actinomorphic +
rotate;more or less campanulate +
Flowering early summer–late fall. +
in K. Miyabe and T. Miyake, Fl. Saghalin, +
contractile +
wind-distributed +
1 +  and many +
ellipsoid +  and fusiform +
0.5 cm5 mm <br />0.005 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
adnate +  and free +
perigynous +
leafy +, hollow +  and simple +
villous +  and glabrous +
30 cm300 mm <br />0.3 m <br /> (100 cm1,000 mm <br />1 m <br />) +
1 +  and several +
elongate +
distinct +
Acelidanthus +, Evonyxis +  and Leimanthium +
Veratrum album var. oxysepalum +
Veratrum album +
variety +
yellowish green +
persistent +
distinct +  and weakly connate +
spreading +  and erect +
not clawed +, lanceolate +  and lanceovate +
subequal +
0.7 cm7 mm <br />0.007 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
sepaloid +  and petaloid +
narrower +
caulescent +  and scapose +
3 +  and 2 +