Jepson Flora Project: Jepson Interchange    

 
link to manual TREATMENT FROM THE JEPSON MANUAL (1993) previous taxon | next taxon
Jepson Interchange (more information)
©Copyright 1993 by the Regents of the University of California

    THIS PAGE IS NO LONGER UPDATED
    AND IS MAINTAINED FOR ARCHIVAL PURPOSES ONLY
  • Up-to-date information about California vascular plants is available from the Jepson eFlora.

PTERIDACEAE

BRAKE FAMILY

Alan R. Smith and Thomas Lemieux

Perennial, in soil or on or among rocks; rhizome creeping to erect, scaly
Leaves generally all ± alike (or of 2 kinds, fertile and sterile), generally < 50 cm, often < 25 cm; petiole generally thin, wiry, often dark, in transverse section with vascular strands generally 1–3, less often many in a circle; blade generally pinnate or ± palmate-pinnate (see Adiantum ), often 2 or more compound, lower surface often with glands, ± powdery exudate, hairs, or scales; segments round, oblong, fan-shaped, or otherwise, veins generally free
Sporangia in sori or not, marginal, submarginal, or along veins, sometimes covered by recurved, often modified segment margins (false indusia); true indusia 0; spores spheric, sides sometimes flat, scar with 3 radiating branches
Genera in family: ± 40 genera, 500 species: worldwide, especially dry areas. Definition of Cheilanthes and related genera problematic; traditional limits often untenable.

ASTROLEPIS

Plant in soil or rock crevices; rhizome ± short-creeping-decumbent, scales generally linear to linear-lanceolate, toothed, pale to reddish brown, older with a darker, irregular central area or not
Leaf: axes generally orange to reddish brown, scaly; blade 1-pinnate, linear, leaflets sometimes shallowly but not deeply pinnately lobed or dissected, upper surface with stellate scales
Sporangia along veins, obscured by dense scales; segment margin unmodified, not recurved
Species in genus: ± 6 species: sw US through South America
Etymology: (Greek: star scale)
Reference: [Benham et al. 1988 Amer J Bot 75(6:2):138]

Native

A. cochisensis (Goodd.) D.M. Benham & Windham

SCALY CLOAK FERN

Rhizome short; scales ± 10 mm, 0.1–0.5 mm wide, linear; teeth ± sparse, more pronounced in upper half or not
Leaf: petiole 3–6(10) cm, 1–1.5 mm wide, scales appressed, 0.5 mm, whitish; blade 1-pinnate, 8–15(20) cm, tapered to tip; 1° leaflets < 0.5 cm, with jointed stalk and 0–3 pairs of lobes, generally obtuse at tip, upper surface with persistent, stellate scales, lower surface with lanceolate, whitish to tan, abundantly toothed and finely dissected scales covering small (< 0.1 mm) glandular hairs
Sporangia in a submarginal band when mature, ± visible, erupting through scales
Ecology: Limestone slopes, crevices
Elevation: 900–1800 m.
Bioregional distribution: Desert Mountains
Distribution outside California: to Texas, Mexico, including Baja California
Synonyms: Cheilanthes c. (Goodd.) Mickel; C. sinuata (Sw.) Domin var. c. (Goodd.) Munz

previous taxon | next taxon
bioregional map for ASTROLEPIS%20cochisensis being generated
 


Retrieve Jepson Interchange Index to Plant Names entry for Astrolepis cochisensis
Retrieve dichotomous key for Astrolepis
Overlay Consortium of California Herbaria specimen data by county on this map
Show other taxa with the same California distribution | Read about bioregions | Get lists of plants in a bioregion
Return to the Jepson Interchange main page
Return to treatment index page
Glossary


University & Jepson Herbaria Home Page |
General Information | University Herbarium | Jepson Herbarium |
Visiting the Herbaria | On-line Resources | Research |
Education | Related Sites
Copyright © by the Regents of the University of California