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.
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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 +