Key to Pteris

View taxon page for Pteris

(For a list of species in Pteris, use the above link.)

Jepson Manual glossary definitions can be seen by moving your cursor over words underlined with dots.

1. Leaf 2–4-pinnate ..... [P. tremula]

1' Leaf 1-pinnate, proximal pinnae minutely 

serrate 

Having margins with sharp, fine to coarse teeth generally pointing tipward, not outward; margins with such teeth on such primary teeth are doubly serrate.

or with 2(3) deep 

lobes 

1. A major expansion or bulge, such as on the margin of a leaf, sepal, or petal, or on the surface of an ovary. 2. The free tips of otherwise fused structures, such as sepals or petals; larger than teeth.

that ± resemble pinnules

2. Proximal pinnae > others, with 1(3) deep lobes; stipe, 

rachis 

In ferns, primary axis of a compound or dissected frond blade.

± glabrous except base ..... P. cretica

2' Proximal pinnae < others, minutely serrate; stipe, rachis ± scaly ..... P. vittata

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Citation for the whole project: Jepson Flora Project (eds.) . Jepson eFlora, https://ucjeps.berkeley.edu/eflora/ [accessed on ]

Citation for an individual treatment: [Author of taxon treatment] [year]. [Taxon name] in Jepson Flora Project (eds.) Jepson eFlora, [URL for treatment]. Accessed on .

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