Pteridium aquilinum subsp. lanuginosum (Bong.) Hult. | |||
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Family | Hypolepidaceae — APG family: Dennstaedtiaceae | ||
Synonyms | Pteris aquilina var. pubescens Underw., Pteris aquilina var. lanuginosa Bong., Pteridium aquilinum var. lanuginosum (Bong.) Fern. | ||
Common name | bracken | ||
Description | Rhizome branched, pubescent, buried deep in earth; fronds scattered, with erect, stout stipes, deciduous; blade light green, coarse, triangular; sori marginal, mostly continuous, covered by revolute margins of segments; indusium small, inconspicuous. | ||
Ecology | Dry, open places and woods. | ||
Taxonomy notes | Alaskan specimens belong to a more pubescent race than European plants. Circumpolar map gives range of entire species complex. | ||
Uses | The young, not-yet-developed frond can be eaten boiled. |
This is a digital representation of Eric Hultén’s ‘Flora of Alaska and Neighboring Territories: A Manual of the Vascular Plants’, which was published by Stanford University Press in 1968. The book was digitized by C. Webb (at UAMN) as part of the Flora of Alaska project, with funding by the US NSF (Grant 1759964 to Ickert-Bond & Webb), and with permission of Stanford University Press. Data and images © 1968 Board of Trustees of the Leland Stanford Jr. Univ. Usage licence: Creative Commons BY-NC-SA 4.0. NB: You may find OCR errors; please refer to the hard-copy if in doubt.