Plant Identification Database:
Polygonaceae (Buckwheat)
Order: Polygonales; Class: Dicotyledonae

The plant data on this site are a record of Bob Ronnow's field observations
which vary in accuracy and change with experience. For accurate and complete
information please use the links provided for each plant species and family.

Plant Families
Glossary of Botanical Terms

CLASSIFICATION
LEAVES
FLOWERS
FRUIT
STEM
ECOLOGY
CLASSIFICATION
Common Name (Image)
Scientific Name (Notes)
Genus
LV: Attachment
LV: Shape
LV: Edge
LV: Apex/Base
LV: Size/Surface
FL: Petals/Sepals
FL: Color
FL: Arrangement
FL: Size/Season
FL: Stamen/Pistil/Ovary
FR: Type
FR: Color
FR: Size/Season
ST: Type/Size/Growth
ST: Surface/Color
ST: Buds/Roots
EC: Edible
EC: Habitat
EC: Observations
Common Name (Image)
Scientific Name (Notes)
Other Names
Polygonaceae: LV: whole, u. alternate, u. entire, sheath; FL: small <1", actinomorphic, o. cylindrical head or spike, crowded inflorescence, no petals, u. 5-6 sepals, 3-9 stamens, ovary superior; FR: achene; ST: u. herb/shrub, jointed nodes; EC:
u. alternate, sheath whole u. entire P: 0, S: u. 5-6, actinomorphic White; Red; Pink; Green; Brown o. cylindrical head or spike, crowded inflorescence small <1" S: 3-9; O: superior achene u. herb/shrub jointed nodes Polygonaceae: LV: whole, u. alternate, u. entire, sheath; FL: small <1", actinomorphic, o. cylindrical head or spike, crowded inflorescence, no petals, u. 5-6 sepals, 3-9 stamens, ovary superior; FR: achene; ST: u. herb/shrub, jointed nodes; EC:
Flat-topped buckwheat Eriogonum fasciculatum Eriogonum Whorled Linear Revolute; Entire <1" 6 parts White; Red interior Head-globose, Terminal, long peduncle <1" S: White, > petals Shrub, <3' Desert AZ Flat-topped buckwheat Eriogonum fasciculatum
Sulfur flower Eriogonum umbellatum Eriogonum Whorled Ovate, Spatulate <1" Indistinguishable Yellow Umbel, Head-globose, Terminal, long peduncle <1", June-August Shrub, <1' Lundy Lake, CA Sulfur flower Eriogonum umbellatum
Jointweed Polygonella articulata Polygonella Coastal Jointweed Polygonella articulata
Water smartweed Polygonum amphibium Polygonum oblong entire red below red spike, terminal small <1", late summer herb, Natant (floating) Wetland Flafstaff Lake, ME Water smartweed Polygonum amphibium Floating smartweed
Knotweed Polygonum arenastrum Polygonum Knotweed Polygonum arenastrum Smartweed
Halberd-leaved tearthumb Polygonum arifolium Polygonum Halberd-leaved tearthumb Polygonum arifolium
Doorweed Polygonum aviculare Polygonum Grassland/Fields; Roadside Doorweed Polygonum aviculare Knotweed
Smartweed Polygonum cespitosum Polygonum Smartweed Polygonum cespitosum
Fringed bindweed Polygonum cilinode Polygonum Forest Fringed bindweed Polygonum cilinode
Knotweed; Polygonum coccineum Polygonum Wetland; Riparian Knotweed; Polygonum coccineum Smartweed
Black bindweed Polygonum convolvulus Polygonum Waste places Black bindweed Polygonum convolvulus
Common Name (Image)
Scientific Name (Notes)
Genus
LV: Attachment
LV: Shape
LV: Edge
LV: Apex/Base
LV: Size/Surface
FL: Petals/Sepals
FL: Color
FL: Arrangement
FL: Size/Season
FL: Stamen/Pistil/Ovary
FR: Type
FR: Color
FR: Size/Season
ST: Type/Size/Growth
ST: Surface/Color
ST: Buds/Roots
EC: Edible
EC: Habitat
EC: Observations
Common Name (Image)
Scientific Name (Notes)
Other Names
Knotweed; Polygonum cristatum Polygonum Knotweed; Polygonum cristatum Smartweed
Japanese knotweed Polygonum cuspidatum Polygonum Stem raw Waste places Japanese knotweed Polygonum cuspidatum
Water-pepper Polygonum hydropiper Polygonum Wetland Water-pepper Polygonum hydropiper
Mild water-pepper Polygonum hydropiperoides Polygonum Riparian Mild water-pepper Polygonum hydropiperoides
Willow-weed Polygonum lapathifolium Polygonum Riparian Willow-weed Polygonum lapathifolium
Pennsylvania smartweed Polygonum pensylvanicum Polygonum Pennsylvania smartweed Polygonum pensylvanicum
Lady's thumb Polygonum persicaria Polygonum Leaf raw; Flower raw Waste places Lady's thumb Polygonum persicaria
Water smartweed Polygonum punctatum Polygonum Wetland; Riparian Water smartweed Polygonum punctatum
Bushy knotweed Polygonum ramosissimum Polygonum Coastal Bushy knotweed Polygonum ramosissimum
Arrow-leaved tearthumb Polygonum sagittatum Polygonum Lanceolate B: Auriculate Wetland; Riparian Arrow-leaved tearthumb Polygonum sagittatum
Common Name (Image)
Scientific Name (Notes)
Genus
LV: Attachment
LV: Shape
LV: Edge
LV: Apex/Base
LV: Size/Surface
FL: Petals/Sepals
FL: Color
FL: Arrangement
FL: Size/Season
FL: Stamen/Pistil/Ovary
FR: Type
FR: Color
FR: Size/Season
ST: Type/Size/Growth
ST: Surface/Color
ST: Buds/Roots
EC: Edible
EC: Habitat
EC: Observations
Common Name (Image)
Scientific Name (Notes)
Other Names
Climbing false buckwheat Polygonum scandens Polygonum Climbing false buckwheat Polygonum scandens
Jumpseed Polygonum virginianum Polygonum Jumpseed Polygonum virginianum
Green sorrel Rumex acetosa Rumex Grassland/Fields Green sorrel Rumex acetosa
Sheep sorrel Rumex acetosella Rumex Alternate; Basal Lanceolate, Lobed Entire Indstingushable Red/Pink/Orange Leaf raw Grassland/Fields; Waste places Sheep sorrel Rumex acetosella
Curled dock Rumex crispus Rumex Repand >6" Green/Brown Samara Brown Herb, >1', Erect Leaf raw; Fruit raw Waste places; Grasslands/Fields Curled dock Rumex crispus
Canaigre Rumex hymenosepalus Rumex brown Herb, >1', Erect Capitol Reef NP UT Canaigre Rumex hymenosepalus canaigre dock, ganagra, wild rhubarb, Arizona dock, tanner's dock
Bitter dock Rumex obtusifolius Rumex Basal Leaf raw; Fruit raw Bitter dock Rumex obtusifolius
Great water dock Rumex orbiculatus Rumex Great water dock Rumex orbiculatus
Desert rhubarb Rumex hymenosepalus Rumex opposite ovate entire fleshy red-orange clusters Apr-Jun herb, decumbent fleshy, red LV raw/cooked BLM Badlands Cuba NM Desert rhubarb Rumex hymenosepalus canaigre, ganagra, Arizona dock, tanner's dock
Common Name (Image)
Scientific Name (Notes)
Genus
LV: Attachment
LV: Shape
LV: Edge
LV: Apex/Base
LV: Size/Surface
FL: Petals/Sepals
FL: Color
FL: Arrangement
FL: Size/Season
FL: Stamen/Pistil/Ovary
FR: Type
FR: Color
FR: Size/Season
ST: Type/Size/Growth
ST: Surface/Color
ST: Buds/Roots
EC: Edible
EC: Habitat
EC: Observations
Common Name (Image)
Scientific Name (Notes)
Other Names
CLASSIFICATION
LEAVES
FLOWERS
FRUIT
STEM
ECOLOGY
CLASSIFICATION