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Polygonum cilinode Michx.

Fringed bindweed

KingdomPlantaePlants, but not fungi, lichens, or algae
SubkingdomTracheobiontaVascular plants—plants with a “circulatory system” for delivering water and nutrients
DivisionMagnoliophytaFlowering plants, also known as angiosperms
ClassMagnoliopsidaDicotyledons—plants with two initial seed leaves
SubclassCaryophyllidaeCacti, many other succulents, carnivorous plants, and leadworts
OrderCaryophyllalesIncludes cacti, carnations, amaranths, ice plants, and many carnivorous plants
FamilyPolygonaceaeKnotweed or smartweed family
GenusPolygonumGreek poly, “many,” and gonu, “knee,” for the swollen jointed stems
SpeciescilinodeFrom Latin cilium, “hair,” and nodus, “node,” referring to the fringe of hairs at each node

About plant names...

These perennial plants are vinelike, climbing over other plants. They are common in disturbed areas such as dry cleared forests, on shores and dunes and gravel pits, and on open rocky ground.

Plants: Stems are 12-197″ (30-500 cm) long. It climbs by twining around other stems, from right to left. There are stiff bristles at each node (ocrea. Each ocrea is 1/16-⅛″ (3-4 mm) long.

Leaves: Alternate, oval to triangular, with wavy margins, often with reddish veins standing out. Their stems (petioles) are ⅜-2″ (1-6 cm) long.

Flowers: Panicles are 1½-4″ (4-10 cm) long, comprised of greenish-white or pink-fringed flowers. Each flower is 5-parted. Flowers appear from June to October.

Fruits: ⅛-3/16″ (4-6 mm) seeds are black and very shiny.

 

Polygonum cilinode (fringed bindweed)

6/29/2014 · Mount Agamenticus, York, Maine · ≈ 7 × 10″ (16 × 25 cm) ID is uncertain

Polygonum cilinode (fringed bindweed)

6/29/2014 · Mount Agamenticus, York, Maine · ≈ 10 × 7″ (25 × 16 cm) ID is uncertain

Some similar species:

 
Polygonum convolvulus

Polygonum scandens
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Polygonum cilinode
Common Name

black bindweed

climbing false buckwheat

fringed bindweed
Plant Vine up to 3′ (1 m) long. At leaf nodes there is an ocrea. Vines up to 20′ (6.1 m) long. Stems are light green to bright red, almost hairless. Where leaves attach to the stem, there is a protective sheath, or ocrea Stems are 12-197″ (30-500 cm) long. It climbs by twining around other stems, from right to left. There are stiff bristles at each node (ocrea. Each ocrea is 1/16-⅛″ (3-4 mm) long.
Flowers Small, greenish-pink to greenish-white, in racemes (bunches); individual flowers are ⅛″ (4 mm) long, racemes are up to 2½″ (6.3 cm) long Racemes are 2-8″ (5-20 cm) long, with small greenish flowers. Panicles are 1½-4″ (4-10 cm) long, comprised of greenish-white or pink-fringed flowers. Each flower is 5-parted. Flowers appear from June to October.
Leaves Alternate, triangular or heart-shaped, lower corners of leaves aim inward toward the petiole (leaf stem) Ovate, approaching sagittate (shaped like an arrowhead), up to 2″ (5 cm) × 4″ (10 cm). Leaf petioles are up to 1½″ (3.8 cm) long Alternate, oval to triangular, with wavy margins, often with reddish veins standing out. Their stems (petioles) are ⅜-2″ (1-6 cm) long.
Fruit Three-sided, with a single dull black seed Greenish, with white or pink borders. ⅛-3/16″ (4-6 mm) seeds are black and very shiny.
Range/ Zones

Type Wild Wild Wild

 

Online References:

Climbers.lsa.umich.edu

Wisflora.herbarium.wisc.edu

EFloras

References:

Clemants, Steven; Gracie, Carol, Wildflowers in the Field and Forest, Oxford University Press, 2006, p. 272

Bilderdykia cilinodis (Michx.) Greene

Bilderdykia cilinodis (Michx.) Greene var. laevigata (Fernald) C.F. Reed

Fallopia cilinodis (Michx.) Holub

Polygonum cilinode Michx. var. laevigatum Fernald

Reynoutria cilinodis (Michx.) Shinners

Tiniaria cilinodis (Michx.) Small

 

Polygonum cilinode description by Thomas H. Kent, last updated 6 Sep 2021.

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Polygonum cilinode (fringed bindweed)

6/29/2014 · Mount Agamenticus, York, Maine · ≈ 10 × 7″ (25 × 16 cm) ID is uncertain

Range:

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