Triantha occidentalis subsp. occidentalis

Treatment appears in FNA Volume 26. Treatment on page 64. Mentioned on page 62, 63.

Stems 10–80 cm, glandular below inflorescence with glands dome-shaped to conical, 1/2–2 times longer than wide, or pubescent with cylindrical hairs 2–4 times longer than wide, rarely both glandular and pubescent. Inflorescences usually forming globose heads ca. as long as wide, less often spikelike and forming cylindrical-ovoid heads, 3–45-flowered, sometimes interrupted or open, 1–8 cm; bracteoles usually glandular. Flowers: tepals 3–7 mm; stamens 3.5–6 mm; styles 1.3–3 mm; pedicel 1–12 mm. Capsules 4–8 mm. Seeds often lobed, 1–2 (–3) times longer than wide; appendages occasionally absent, usually 1, to 3 times longer than seed, rarely also with short appendage at opposite end; coat strongly inflated. 2n = 30.


Phenology: Flowering summer.
Habitat: Moist meadows, marshes
Elevation: 0–3300 m

Discussion

Selected References

None.

Lower Taxa

None.

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

cordate +  and linear +
0-3 times longer than seed +
John G. Packer +
(S. Watson) R. R. Gates +
whorled +, opposite +  and alternate +
dilated +
Tofieldia occidentalis +
reticulate-veined +  and parallel-veined +
sheathing +  and involucrate +
1;several +
symmetrically 3-lobed +  and cleft +
tunicate +  and scaly +
not enclosed +
ovoid +  and broadly ellipsoid +
0.4 cm4 mm <br />0.004 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
inflated +
Calif. +  and Oreg. +
0–3300 m +
dilated +  and flattened +
sessile +  and pedicellate +
unisexual +  and bisexual +
loculicidal +  and septicidal +
ovoid +  and broadly ellipsoid or cylindrical +
membranaceous +  and leathery +
dome-shaped +  and conical +
Moist meadows, marshes +
cylindrical +
cylindrical-ovoid +  and globose +
open +, interrupted +  and 3-45-flowered +
glandular-pubescent +
1 cm10 mm <br />0.01 m <br /> (8 cm80 mm <br />0.08 m <br />) +
0 cm0 mm <br />0 m <br /> (50 cm500 mm <br />0.5 m <br />) +
equitant +  and 2-ranked +
persistent +
rounded +  and acute +
unequal +
apocarpous +  and stipitate +
tapering;ellipsoid +
many;several +
0.1 cm1 mm <br />0.001 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
zygomorphic +  and actinomorphic +
yellowish +  and white +
Flowering summer. +
J. Linn. Soc., Bot. +
wind-distributed +
reddish-brown +
1 +  and many +
1 cm10 mm <br />0.01 m <br /> (?) +
adnate +  and free +
staminodial +
0.35 cm3.5 mm <br />0.0035 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
10 cm100 mm <br />0.1 m <br /> (80 cm800 mm <br />0.8 m <br />) +
1 +  and several +
distinct +
0.13 cm1.3 mm <br />0.0013 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
Tofieldia glutinosa var. occidentalis +
Triantha occidentalis subsp. occidentalis +
Triantha occidentalis +
subspecies +
persistent +
distinct +
0.3 cm3 mm <br />0.003 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
sepaloid +  and petaloid +
narrower +
3 +  and 2 +