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Re: [Aroid-l] Alocasia robusta & Colocasia gigantea

  • Subject: Re: [Aroid-l] Alocasia robusta & Colocasia gigantea
  • From: "Julius Boos" ju-bo@msn.com
  • Date: Wed, 25 May 2005 23:23:41 +0000

<br><br><br>&gt;From: &quot;David S.&quot; &lt;maui4me@charter.net&gt;<br>&gt;Reply-To: Discussion of aroids &lt;aroid-l@gizmoworks.com&gt;<br>&gt;To: &quot;Discussion of aroids&quot; &lt;aroid-l@gizmoworks.com&gt;<br>&gt;Subject: Re: [Aroid-l] Alocasia robusta &amp; Colocasia gigantea<br>&gt;Date: Tue, 24 May 2005 15:51:12 -0400<br>&gt;<br>&gt;Re: [Aroid-l] Alocasia robusta &amp; Colocasia gigantea----- Original<br>&gt;Message -----<br>&gt;From: Peter Matthews<br>&gt;To: Discussion of aroids Sent: Monday, May 23, 2005 10:54 PM

Subject: Re: [Aroid-l] Alocasia robusta Colocasia gigantea

Dear Peter,

Thanks for the information! I had NO idea that the true Colocasia gigantea was edible, or cultivated as such! Thanks! Has anyone CONFIRMED that what is being called C. gigantea/hasu-imo is in fact this species, by examination of the blooms, etc., or is this plant just a larger cultivar of Colocasia esculenta??
David---I`d bet that the non- acrid Colocasia species is a VERY special cultivar! No one should EVER mess w/ ANY Aroid species if they do not know exactly what they are doing, they will TEAR you up!

Good Growing,


Thanks for asking... Colocasia esculenta (sat-imo in japanese) is the main species grown, usually for the corms, but some cultivars are also used as stem vegetables. Colocasia gigantea (hasu-imo in Japanese) is only grown as a stem vegetable, with an almost completely non-acrid petiole (can be peeled and then sliced thinly and eaten as a vinegared pickle). A single clump of C. gigantea here and there is common in home gardens, but there are also many commercial producers with entire fields of the plant, in warmer southern areas. Both species are summer crops here. ;Peter ********************************** I've been growing C. gigantea here in the mountains of northeast Tennessee<br>&gt;(Zone 6a, Lat. 36.51 N) for about 17 years. They're growing in the ground<br>&gt;with a fairly heavy winter leaf mulch and have proven quite hardy, more so<br>&gt;than C. esculenta. With lots of sun, water and fertilizer, they can make<br>&gt;quite a specimen by the time frosty weather gets here, although not anywhere<br>&gt;near their potential. I get fans of infloresences in good years that are<br>&gt;interesting but never any seeds. When it rains heavily, the upward facing<br>&gt;leaves tip the water out make for an interesting visual. I recall seeing a<br>&gt;photo of them turned over and used effectively as rain hats in Vietnam.<br>&gt;They make almost no tuber, so to overwinter them out of the ground, they<br>&gt;must be potted up and kept moist to keep them alive.<br>&gt;<br>&gt;I think edibility must be somewhat variable with these plants. The<br>&gt;Vietnamese lady that furnished mine said that they cook and eat the leaf<br>&gt;petioles and tender new leaves like spinach, never raw. I've yet to try it<br>&gt;that way but a Chinese friend decided to try a bite of an uncooked stem one<br>&gt;time and one time only. The calcium oxalate crystals set her mouth and<br>&gt;tongue on fire! She was even afraid to try it cooked after that, although<br>&gt;cooking is supposed to neutralize that problem.<br>&gt;<br>&gt;David Sizemore<br>&gt;<br>&gt;<br>&gt;_______________________________________________<br>&gt;Aroid-l mailing list<br>&gt;Aroid-l@gizmoworks.com<br>&gt;http://www.gizmoworks.com/mailman/listinfo/aroid-l<br>

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