|University of California, Berkeley|
|Jepson eFlora: Taxon page
Key to families | Table of families and genera
Index to accepted names and synonyms:
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|Family: Pteridaceae||View Description||Dichotomous Key|
|Genus:||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Habit: Plant in soil or rock crevices; rhizome short-creeping-decumbent, generally 3--5(8) mm wide, scales lance-linear, mid-stripe dark. Leaf: stipe 5--20(32) cm, 0.5--2(3) mm wide; blade generally 2--3-pinnate, 2--8(15) cm, triangular or generally 5-sided, with white or yellow exudate abaxially, with exudate or not adaxially, main axis shallowly to deeply grooved adaxially; lowermost pinnae more strongly developed on basal side; veins free. Sporangia: along veins +- throughout; segment margins unmodified, recurved or not.
Species In Genus: 2 species: western North America. Etymology: (Greek: 5 lines, for leaf blades) Note: A puzzling complex of intergrading chemical, chromosomal, and morphological variants (see Yatskievych et al. 1990 Amer Fern J 80:9--17).
eFlora Treatment Author: Ruth E.B. Kirkpatrick, Alan R. Smith & Thomas Lemieux
Jepson Online Interchange
Key to PentagrammaPrevious taxon: Pellaea truncata
Next taxon: Pentagramma pallida
Citation for this treatment: Ruth E.B. Kirkpatrick, Alan R. Smith & Thomas Lemieux 2016. Pentagramma, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=77464, accessed on December 10, 2016.
Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on December 10, 2016.