• Photo of Rheum rhabarbarum (Rheum rhabarbarums)

Plant Profile: Rheum rhabarbarum

Taxonomy: Rheum rhabarbarum

Names

Pie Plant, Rhubarb

  • Photo of Rheum rhabarbarum (Rheum rhabarbarums)

Phonetic Spelling:REE-um ra-BAR-buh-rum

Genus:Rheum

Species:rhabarbarum

Family:Polygonaceae

A long-lasting herb characterized by its basal clusters of large leaves, which feature thick, reddish petioles and broad, heart-shaped blades. The flowers are small and grow in a compact, elongated cluster at the top. The fruit is distinctive, with three wings and a reddish hue.

This plant is commonly used as a houseplant or in interior designs, and it can also be incorporated into vegetable gardens or serve as an ornamental herb in landscapes.

Rheum rhabarbarum Feature Summary

Rheum rhabarbarum Image Gallery

Tags

#edible plant
#large leaves
#red stems
#problem for cats
#problem for dogs
#problem for horses

Similar Plants

Rheum rhabarbarum Feature Summary

Attributes
Cooked leaf stalks (petioles) in pies and puree
Perennial
Fruit
Angular 3-winged, reddish containing one seed.
Red/Burgundy
Leaves
Large green leaves up to 2 feet across. Red petioles which are fleshy and edible when cooked.
Green
Red/Burgundy
> 6 inches
> 6 inches
Poisonous to Humans
TOXIC ONLY IF LARGE QUANTITIES EATEN. Abdominal cramps, burning of mouth and throat, headache, weakness, nausea and vomiting, coma; may be fatal Kidney failure (in grazing animals), salivation in dogs/cats. Most toxic parts are leaves and roots.
Anthraquinone glycosides and soluble oxalates, also possibly calcium oxylate crystals
Leaves
Roots
Whole Plant Traits
Perennial
Edible
Poisonous
Flowers
White
Green
Landscape
Edible Garden
Problem for Cats
Problem for Dogs
Problem for Horses

Rheum rhabarbarum Attributes

Rheum rhabarbarum: Country Or Region Of Origin

Asia

Rheum rhabarbarum: Edibility

Cooked leaf stalks (petioles) in pies and puree

Rheum rhabarbarum: Life Cycle

Annual
Biennial
Bulb
Perennial
Woody

Rheum rhabarbarum Fruit

Rheum rhabarbarum: Fruit Description

Angular 3-winged, reddish containing one seed.

Rheum rhabarbarum: Fruit Color

grass
Red/Burgundy

Rheum rhabarbarum Leaves

Rheum rhabarbarum: Leaf Description

Large green leaves up to 2 feet across. Red petioles which are fleshy and edible when cooked.

Rheum rhabarbarum: Leaf Color

spa
Green
spa
Red/Burgundy

Rheum rhabarbarum: Hairs Present

No
Yes

Rheum rhabarbarum: Leaf Length

< 1 inch
1-3 inches
3-6 inches
> 6 inches

Rheum rhabarbarum: Leaf Value To Gardener

Edible
Fragrant
Good Cut
Good Dried
Long-lasting
Showy

Rheum rhabarbarum: Leaf Width

< 1 inch
1-3 inches
3-6 inches
> 6 inches

Rheum rhabarbarum Poisonous to Humans

Rheum rhabarbarum: Poison Symptoms

TOXIC ONLY IF LARGE QUANTITIES EATEN. Abdominal cramps, burning of mouth and throat, headache, weakness, nausea and vomiting, coma; may be fatal Kidney failure (in grazing animals), salivation in dogs/cats. Most toxic parts are leaves and roots.

Rheum rhabarbarum: Poison Toxic Principle

Anthraquinone glycosides and soluble oxalates, also possibly calcium oxylate crystals

Rheum rhabarbarum: Poison Severity

High
Low
Medium

Rheum rhabarbarum: Causes Contact Dermatitis

No
Yes

Rheum rhabarbarum: Poison Part

Bark
Flowers
Fruits
Leaves
Roots
Sap/Juice
Seeds
Stems

Rheum rhabarbarum Whole Plant Traits

Rheum rhabarbarum: Plant Type

Annual
Bulb
Carnivorous
Edible
Epiphyte
Fern
Ground Cover
Herb
Herbaceous Perennial
Houseplant
Mushroom
Native Plant
Ornamental Grasses and Sedges
Perennial
Poisonous
Rose
Shrub
Succulent
Tree
Turfgrass
Vegetable
Vine
Water Plant
Weed
Wildflower

Rheum rhabarbarum Flowers

Rheum rhabarbarum: Flower Color

filter_vintage
Green
filter_vintage
White

Rheum rhabarbarum Stem

Rheum rhabarbarum: Stem Is Aromatic

No
Yes

Rheum rhabarbarum Landscape

Rheum rhabarbarum: Landscape Theme

Asian Garden
Butterfly Garden
Children's Garden
Cottage Garden
Cutting Garden
Drought Tolerant Garden
Edible Garden
English Garden
Fairy Garden
Garden for the Blind
Native Garden
Nighttime Garden
Pollinator Garden
Rain Garden
Rock Garden
Shade Garden
Water Garden
Winter Garden

Rheum rhabarbarum: Problems

Allelopathic
Contact Dermatitis
Frequent Disease Problems
Frequent Insect Problems
Invasive Species
Malodorous
Messy
Poisonous to Humans
Problem for Cats
Problem for Children
Problem for Dogs
Problem for Horses
Short-lived
Spines/Thorns
Weak Wood
Weedy