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PlantFiles: Elephant's Foot, Turtleback Plant
Dioscorea macrostachys

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Family: Dioscoreaceae
Genus: Dioscorea (dy-oh-SKOR-ee-uh) (Info)
Species: macrostachys (mak-ro-STAK-iss) (Info)

7 members have or want this plant for trade.

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Category:
Cactus and Succulents

Height:
under 6 in. (15 cm)
6-12 in. (15-30 cm)
12-18 in. (30-45 cm)
18-24 in. (45-60 cm)
24-36 in. (60-90 cm)
36-48 in. (90-120 cm)
4-6 ft. (1.2-1.8 m)
6-8 ft. (1.8-2.4 m)
8-10 ft. (2.4-3 m)
10-12 ft. (3-3.6 m)
12-15 ft. (3.6-4.7 m)
15-20 ft. (4.7-6 m)

Spacing:
24-36 in. (60-90 cm)
36-48 in. (90-120 cm)

Hardiness:
USDA Zone 9b: to -3.8 C (25 F)
USDA Zone 10a: to -1.1 C (30 F)
USDA Zone 10b: to 1.7 C (35 F)
USDA Zone 11: above 4.5 C (40 F)

Sun Exposure:
Sun to Partial Shade

Danger:
Unknown - Tell us

Bloom Color:
Unknown - Tell us

Bloom Time:
Unknown - Tell us

Foliage:
Deciduous

Other details:
Drought-tolerant; suitable for xeriscaping

Soil pH requirements:
Unknown - Tell us

Patent Information:
Unknown - Tell us

Propagation Methods:
Unknown - Tell us

Seed Collecting:
Unknown - Tell us

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By palmbob
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By arsenic
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By palmbob
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By Happenstance
Thumbnail #7 of Dioscorea macrostachys by Happenstance

There are a total of 23 photos.
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Profile:

3 positives
No neutrals
No negatives

Gardeners' Notes:

RatingAuthorContent
Positive Gourd On Nov 12, 2008, Gourd from Mesilla Park, NM wrote:

Last year in 2007, this bloomed and did not produce seeds. It could be there is no natural pollinator here or it needs two plants blooming at the same time. The flowers are so minute that I couldn't pollinate it even if I tried, you can barely see them.

This year, it is blooming again and it is still outside in mid-November. It will come into the house this week. I probably should have brought it in sooner but the leaves are still green on it and I was waiting for it to go dormant. So, I feel this is proof enough that it can survive cold fronts, we have had slight freezes in the last two weeks. This plant is located near a rockwall and that is what has been keeping it warm at night most likely.

Positive TxTurqoize On Aug 22, 2006, TxTurqoize from San Antonio, TX (Zone 8b) wrote:

What an interesting plant! I ordered some seeds online about 5 years ago....and tried my hand at germinating them. This particular plant is the only one to survive...and its doing really well. They are slow growers..and are a bit delicate with their watering needs. Also, mine doesn't seem to be able to tolerate any fertilizers...and will actually drop some leaves if I feed it...

Positive palmbob On Jan 12, 2004, palmbob from Acton, CA (Zone 8b) wrote:

Nice looking plant basically exactly same cultivational requirements of similar D elephantipes. This plant has larger, heart-shaped leaves about 3-4" in diameter, while the other plant (D elephantipes) has smaller leaves, most less than 1" in diameter. This plant is often misidentified as the elephantipes one. I have had one outdoors in a zone b for 4 years without ill effect (in a pot).

Regional...

This plant has been said to grow in the following regions:

Mesa, Arizona
Clayton, California
Fairfield, California
Fontana, California
Tarzana, California
Mesquite, New Mexico
Cincinnati, Ohio
San Antonio, Texas



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