Life Span
Perennial
Perennial
Type
Epiphyte
Tree
Origin
Southeastern United States, Latin America and the Caribbean, Caribbean, Central America, South America
Eastern Asia
Types
-
Ulmus chumlia, Ulmus glabra, Ulmus elongata
Number of Varieties
335
0
40000
👆🏻
Habitat
Swamps
River side
USDA Hardiness Zone
10-135-9
0
99
👆🏻
AHS Heat Zone
12-9
9-5
Sunset Zone
H1, H2, 23, 24
3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Clump-Forming
Upright/Erect
Plant Size
Minimum Height
30.50 cm1,520.00 cm
0
3900
👆🏻
Minimum Width
25.60 cm1,220.00 cm
0
6350
👆🏻
Plant Color
Flower Color
White, Burgundy, Dark Red, Light Green, Violet, Dark Salmon
Red
Flower Color Modifier
Multi-Color
Bicolor
Fruit Color
-
Tan, Brown
Leaf Color in Spring
Green
Green
Leaf Color in Summer
Green
Dark Green
Leaf Color in Fall
Green
Yellow, Red, Green
Leaf Color in Winter
Green
-
Shape
Leaf Shape
Long Linear
Toothed
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Partial Sun, Partial shade
Full Sun, Partial Sun
Growth Rate
Slow
-
Type of Soil
-
Loam, Sand
The pH of Soil
Neutral, Slightly Acidic
Acidic, Neutral, Alkaline
Soil Drainage
Well drained
Well drained
Bloom Time
Late Spring, Early Summer, Summer, Late Summer, Early Fall, Fall, Late Fall
Fall
Repeat Bloomer
✔
✘
✔
✘
Tolerances
-
Drought
Where to Plant?
Container, Ground, Pot
Ground
How to Plant?
Bulbs, By dividing rhizomes, tubers, Divison
Seedlings, Stem Planting, Transplanting
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs, Do Not over Water, Requires regular watering
Average Water Needs, Requires watering in the growing season, Water when top layer of soil becomes dry
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Neutral, Slightly Acidic
Acidic, Neutral, Alkaline
Soil Type
-
Loam, Sand
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Partial Sun, Partial shade
Full Sun, Partial Sun
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
Prune if you want to improve plant shape, Remove damaged leaves, Remove dead leaves, Remove shoots
Fertilizers
All-Purpose Liquid Fertilizer
organic fertlizers
Pests and Diseases
Red blotch
Mealybugs, Red blotch, Scale
Plant Tolerance
Drought
Drought
Flowers
Showy
Insignificant
Flower Petal Number
Single
Single
Fruits
Showy Fruit
✔
✘
✔
✘
Edible Fruit
✔
✘
✔
✘
Fragrance
Fragrant Flower
✔
✘
✔
✘
Fragrant Fruit
✔
✘
✔
✘
Fragrant Leaf
✔
✘
✔
✘
Fragrant Bark/Stem
✔
✘
✔
✘
Showy Foliage
✔
✘
✔
✘
Showy Bark
✔
✘
✔
✘
Foliage Texture
Coarse
Fine
Foliage Sheen
Glossy
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Bees, pollinators
-
Allergy
-
allergic reaction
Uses
Aesthetic Uses
Bouquets, Showy Purposes
Bonsai, Landscape Designing
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification, Food for birds, Food for insects, No fertilizer, pesticides, or herbicides needed, Prevent Soil Erosion
Plant Benefits
Medicinal Uses
Cancer, Eye Problems
Antidote, Demulcent, Diuretic
Part of Plant Used
Bulbs, Flowers, Leaves
Fruits, Inner Bark, Leaves
Other Uses
Used as Ornamental plant
Used as firewood, Used for its medicinal properties, Used in construction, Used in Furniture, Wood is used for making furniture, Wood is used for ship building, Wood is used in construction
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Container, Feature Plant, Houseplant, Mixed Border
Container, Feature Plant, Mixed Border, Shade Trees, Street Trees, Topiary / Bonsai / Espalier
Botanical Name
PROSTHECHEA cochleata
ULMUS parvifolia 'Drake'
Common Name
Clamshell Orchid, Cockleshell Orchid, Black Orchid
Chinese Elm, Drake Elm
In Hindi
Clamshell Orchid
चीनी एल्म
In German
Clamshell Orchid
Chinese Elm
In French
Clamshell Orchid
Elm chinoise
In Spanish
Clamshell Orchid
olmo chino
In Greek
Encyclia Cochleata
Κινέζοι Elm
In Portuguese
Clamshell Orchid
Elm chinês
In Polish
Clamshell Orchid
Chiński Elm
In Latin
Clamshell Orchid
Chinese Elm
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Liliopsida
Magnoliopsida
Order
Orchidales
Rosales
Family
Orchidaceae
Ulmaceae
Genus
Prosthechea
Ulmus
Clade
Angiosperms, Monocots
Angiosperms, Asterids, Eudicots
Tribe
Epidendreae
Ulmeae
Subfamily
Epidendroideae
-
Number of Species
5035
1
27800
👆🏻