Accession Data:
Amorphophallus konjac K. Koch
- Common Name: Devil's Tongue
- Family: Araceae Juss.
- Synonym(s): Amorphophallus rivieri Durand ex Carrière, Proteinophallus rivieri (Durand ex Carrière) Hook.f.
- Country of Origin: China (Yunnan)
- Description: Much grown from Indonesia to Japan for edible corms.
Tuber about 10 in. across, flattish round. l. stalk 15 to 30 in. long, brownish green spotted white; blade large, 3-sect, ultimate segs. oblong-elliptic, cuspidate. Peduncle 2 ft. long. Spathe 8-12" long, ovate, tube about 3" long, pale green with greenish white spots, margin purplish, blade 8" long, wide roundish-cordate, acute, green without, dark purple within, margin undulate.
- Uses: It is very popular in Japan as a cooking supplement for soups and stew-like dishes. The tuber are raised and then cooked (usually cooking is also done on a commercial basis) or reduced to a substance somewhat stiffer than gelatin. The resultant material is pressed into blocks and sold like tofu in the grocery stores. The Japanese pronounce it cone-yuk. The name Amorphophallus is not generally associated with the product to the lay person.
The main substance in konjac is called Glucomannan which has a low caloric content but is rich in dietary fiber. Clinical study indicates the Glucomannan may be responsible for weight reduction and reducing cholesterol in those who have high cholesterol. It is eaten in Japan to clean the digestive tract of toxins.
- Culture: Corm can be stored dry.
- USDA Zone: 6a-11
Accession Data:
- Accession # 198500882
- Source: Unknown
- Accession Date: 02-04-1997
- Bench: 3201 - DORMANT:North
- Currently: active - healthy
- Qty: 6 confirmed on 09-14-2022
Classification:
- Division: Magnoliophyta
- Class: Liliopsida
- SubClass: monocots
- Order: Alismatales
- SubOrder:
- Family: Araceae
- SubFamily: Aroideae
- Tribe: Thomsonieae
- SubTribe:
Flowering Data:
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References (internal):
- EEB Greenhouse Holdings native to: China South-Central /
References (external):
- RHS Dictionary of Gardening
- Aroid-L posting dated 2/2/97 by Tim McNinch
- The Plant List (2013). Version 1.1. Accessed 21 May 2015.
- WCSP (2015). World Checklist of Selected Plant Families. Facilitated by the Royal Botanic Gardens, Kew. Accessed 21 May 2015
data regenerated on Wed, 14 Sep 2022 15:33:13 -0400 [bcm v4.0]
Images:
Additional images for this accession:
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W/C = Wild Collected
= indicates flowering in past 14 days
= images available for this accession
= map available for this accession
= accession added within past 90 days