hort.net Seasonal photo, (c) 2006 Christopher P. Lindsey, All Rights Reserved: do not copy
articles | gallery of plants | blog | tech blog | plant profiles | patents | mailing lists | top stories | links | shorturl service | tom clothier's archive0
Gallery of Plants
Tech Blog
Plant Profiles
Mailing Lists
    Search ALL lists
    Search help
    Subscription info
Top Stories
sHORTurl service
Tom Clothier's Archive
 Top Stories
New Trillium species discovered

Disease could hit Britain's trees hard

Ten of the best snowdrop cultivars

Plant protein database helps identify plant gene functions

Dendroclimatologists record history through trees

Potato beetle could be thwarted through gene manipulation

Hawaii expands coffee farm quarantine

Study explains flower petal loss

RSS story archive

Re: Dryopteris nigropaleacea

  • Subject: Re: [ferns] Dryopteris nigropaleacea
  • From: "Ralph Archer" <ralpharcher@bellsouth.net>
  • Date: Mon, 6 Dec 2004 20:49:39 -0500

Thank you very much for the info, Tom. From this description, I doubt very
much that this is a fern that would be suited to the heat and humidity of
central Kentucky summers.  1500 meters and up is pretty high.

----- Original Message ----- 
From: "Tom Stuart" <tstuart@westnet.com>
To: <ferns@hort.net>
Sent: Monday, December 06, 2004 7:14 PM
Subject: Re: [ferns] Dryopteris nigropaleacea

> > Where and what is its native habitat. What is the hardiness in terms of
> > temperature? Is it evergreen or deciduous?  What is the rhizome type and
> > there any special cultural needs. A brief description of the frond form
> > would also be appreciated.
> S.P. Khullar's "An Illustrated Fern Flora of the West Himalaya" places
this in
> Fraser-Jenkins's Section Pallidae, characterized as 2-pinnate, broad at
> blade base, parallel-sided, sometimes stalked pinnules, a long stipe, and
> glossy, abundant stipe scales.
> Better known members of the section are Dd. marginalis, uniformis,
> odontoloma, arguta, and stewartii. D. nigropaleacea is native to Pakistan,
> Kashmir, and West Nepal at altitudes from 1500 to 2500 m.. Since the
source is
> not readily available, a substantial slice of the description:
> Rhizome long, decumbent ascending, thick, scaly. Stipes 16-55 cm. long,
> stramineous to light-brown, thick (to .2 cm diam.) base densely scaly and
> fibrillose, scales at stipe base ... dark-brown or blackish, concolorous,
> 1.5 cm, broadly ovate-lanceolate, margin with toothlike projections ....
> stramineous, almost glabrous or with a few light-brown scales [continuing
> the costa] .... Lamina 2-pinnate, 20-60 cm long, 10-25 cm broad, narrowly
> triangular-lanceolate, ... lower surface pale green, upper mid- or
> often glaucous, matt, glabrous; pinnae 18-21 pairs, ... pinnules to 2 cm x
> cm ...  basiscopic pinnules often slighly larger ...  margin lobed ..
> free, forked, curved, running to the teeth of the lobes, but not to the
> Sori small, medial, 4-6 pairs on each side of the costule ... indusia
> reniform, shrivelling at maturity, margin almost entire.... A diploid
> From the notes:
> "This fern was formerly known in error as D. odontoloma." The cited
> would be difficult to discern for someone not familiar with both.
> Tom Stuart, New York
> ---------------------------------------------------------------------
> Support hort.net -- join the hort.net fund drive!
> http://www.hort.net/funds/

Support hort.net -- join the hort.net fund drive!

Other Mailing lists | Author Index | Date Index | Subject Index | Thread Index

 © 1995-2017 Mallorn Computing, Inc.All Rights Reserved.
Our Privacy Statement