The Morton Arboretum
The Field Museum
Chicago Botanic Garden
Additional Partners
Log In
New Account
Sitemap
Home
Search Collections
Map Search
Browse Images
Inventories
Aquatic Invasive Plant Guide
Naturalized flora of The Morton Arboretum
vPlants Checklist
Chicago Region Checklists and Inventories
Interactive Tools
vPlants Dynamic Key
Dynamic Checklist
Dynamic Key
Aconogonon davisiae
(W.H. Brewer ex A. Gray) Soják
(redirected from:
Polygonum newberryi
Small)
Family:
Polygonaceae
Davis' Fleeceflower
[
Polygonum newberryi
Small,
more
Polygonum newberryi var. glabrum
G.N. Jones,
Polygonum newberryi var. newberryi
]
Paul Rothrock
FNA
Resources
Harold R. Hinds+, Craig C. Freeman in Flora of North America (vol. 5)
Plants
12-42(-50) cm.
Stems
ascending to erect, glabrous or pubescent.
Leaves:
ocrea reddish brown, funnelform, 0.3-3 cm, margins oblique, glabrous or finely pubescent to pilose; petiole 0.3-10(-15) mm; blade oblong-ovate to ovate, rarely broadly lanceolate, 2.1-7.5(-9.5) × 1.1-5 cm, subcoriaceous, base truncate or, rarely, cordate, margins entire, glabrous or ciliate, apex obtuse to acute, faces often glaucous, glabrous or pubescent.
Inflorescences
axillary, racemelike; peduncle essentially absent.
Pedicels
0.5-1.9(-2.4) mm.
Flowers
1-4 per ocreate fascicle, rarely some flowers with stamens poorly developed; perianth greenish to pinkish white, 2-4.5 mm; tepals slightly dimorphic or, rarely, distinctly so, oblong-ovate to obovate, apex obtuse; anthers yellow or pink.
Achenes
exserted, yellowish brown, not beaked distally, 3.2-6(-8.3) × 2.1-5 mm, shiny, faces not concave.
2
n
= 20.
The varieties are largely sympatric and often intergrade. The treatment here follows Hong S. P. (1991).
Open Interactive Map
Paul Rothrock
Click to Display
100 Initial Images
- - - - -
View All Images