Aconogonon davisiae var. glabrum

(G. N. Jones) S. P. Hong

Rhodora 93: 343. 1991.

Endemic
Basionym: Polygonum newberryi var. glabrum G. N. Jones Rhodora 40: 359. 1938
Treatment appears in FNA Volume 5. Treatment on page 600.

Stems glabrous. Leaf-blades 2.4–5.8 × 1.2–3.2 cm, base cordate or truncate, faces glabrous. Pedicels 0.6–1.4 mm, glabrous. Perianths 3–3.8 mm.


Phenology: Flowering Jun–Aug.
Habitat: Mountain slopes, talus slopes, edges of serpentine outcrops
Elevation: 1000-2200 m

Discussion

Selected References

None.

Lower Taxa

None.

"/2" is not declared as a valid unit of measurement for this property.

0.6 cm6 mm <br />0.006 m <br /> (0.83 cm8.3 mm <br />0.0083 m <br />) +
yellowish-brown +
0.32 cm3.2 mm <br />0.0032 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
3-gonous +
2.1mm;5mm +
pink +  and yellow +
ovate +  and elliptic +
Harold R. Hinds† +  and Craig C. Freeman +
(G. N. Jones) S. P. Hong +
, +  and truncate +
truncate +  and cordate +
Polygonum newberryi var. glabrum +
7.5 cm75 mm <br />0.075 m <br /> (9.5 cm95 mm <br />0.095 m <br />) +
2.1 cm21 mm <br />0.021 m <br /> (7.5 cm75 mm <br />0.075 m <br />) +
lanceolate;oblong-ovate;ovate +
1.1cm;5cm +
foliaceous +  and perfoliate +
scale-like +
just below the soil surface or and above the soil surface +  and spreading +
Calif. +  and Wash. +
1000-2200 m +
not concave +
adnate +, free +  and distinct +
disarticulating +  and solid +
decumbent to erect +  and prostrate +
unwinged +  and winged +
black +, red +, brown +  and yellowish +
exserted +  and included +
pubescent +  and glabrous +
spheroidal +, 4-gonous +, lenticular +, biconvex +, discoid +, 3-gonous +  and 2-gonous +
Mountain slopes, talus slopes, edges of serpentine outcrops +
compound +, branched +  and simple +
nonmembranous +
2.4 cm24 mm <br />0.024 m <br /> (5.8 cm58 mm <br />0.058 m <br />) +
1.2 cm12 mm <br />0.012 m <br /> (3.2 cm32 mm <br />0.032 m <br />) +
sessile +  and petiolate +
deciduous +
glabrous +, finely pubescent +  and pilose +
undulate +
swollen +
partly +  and foliaceous +
reddish-brown +
deciduous +  and persistent +
cylindric +
0.3 cm3 mm <br />0.003 m <br /> (3 cm30 mm <br />0.03 m <br />) +
coriaceous +  and membranous +
anatropous +, , +  and orthotropous +
0.19 cm1.9 mm <br />0.0019 m <br /> (0.24 cm2.4 mm <br />0.0024 m <br />) +
accrescent +
0.06 cm0.6 mm <br />6.0e-4 m <br /> (0.14 cm1.4 mm <br />0.0014 m <br />) +
nonaccrescent +
0.3 cm3 mm <br />0.003 m <br /> (0.38 cm3.8 mm <br />0.0038 m <br />) +
fleshy +, indurate +  and membranous +
1 cm10 mm <br />0.01 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
0.03 cm0.3 mm <br />3.0e-4 m <br /> (1 cm10 mm <br />0.01 m <br />) +
Flowering Jun–Aug. +
(2-)3(-4)-carpellate +
slender;stout +
not scapose +
ascending +  and erect +
penicillate +, fimbriate +  and capitate +
deciduous +  and persistent +
? (?) +  and ? (?) +
coriaceous +  and membranous +
connate +  and distinct +
spreading;erect +
Aconogonon newberryi +  and Polygonum newberryi +
Aconogonon davisiae var. glabrum +
Aconogonon davisiae +
variety +
, +  and dimorphic +
oblong-ovate +  and obovate +
coriaceous +
persistent +
membranous +
pubescent +  and glabrous +
11 +, 10 +  and 8 +