fern for id ? Lindsaea ensifolia
Deepak Deshpande
Date- 22 Jan 22
Location- South-west Maharashtra. western ghat hills.
Habitat- Wild. Terrestrial. On bank of stream.
Plant Habit- Herb. in small colonies/ single.
Height: Upto 25cm.
·
Rhizome: Long creeping,
densely scaly. Scales appressed, narrow, reddish brown.
· Fronds:
§ Stipe- chestnut colored, 10-30 cm, quadrangular.
§ Lamina- Oblong, 25×10 cm, herbaceous, 1-pinnate.
§ Pinnae- 4 pairs, subopposite at base, alternate apically, narrowly lanceolate, short stalked, base broadly cuneate, margin entire/serrate in sterile pinnae, apex acuminate. Terminal pinnae similar to lateral ones.
§ Veins- Anastomosing, uniting to form 2 rows of areoles along each side of costae, other veins free, visible on both surfaces.
§ Scales- Very narrow.
· Sori: Marginal, terminal on veinlets. Indusia linear, continuous, attached only at base.
I feel it is- L. ensifolia: Lamina 1-2 pinnate. Terminal pinna similar to lateral ones.
(In L. heterophylla: No terminal pinna. Upper pinnae gradually become smaller into a coadunate apex).
Above are the notes I have compiled from the internet. The bold letters indicate the characters comparable to my photos.
J.M. Garg
With regards,
J. M. Garg
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J.M. Garg
With regards,
J. M. Garg
From: Chris Fraser-Jenkins <>
Date: Tue, 25 Jan, 2022, 4:23 pm
Subject: Re: [efloraofindia:413355] fern for id ? Lindsaea ensifolia
To: J.M. Garg <jmg...@gmail.com>