Jepson eFlora: Taxon page
Vascular Plants of California
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Higher Taxonomy
Family: ThelypteridaceaeView DescriptionDichotomous Key

Habit: Plants generally in soil; rhizome short- to long-creeping, prostrate [to erect, trunk-like], scales generally hairy, +- brown. Leaf: stipe ×-section at base with 2 crescent-shaped vascular strands fusing into 1 U-shaped strand distally; blade 1[3]-pinnate [or entire], generally with needle-like, clear hairs on axes and/or between veins; rachis. Sporangia: sori on veins, generally round; indusia reniform or round-reniform [0]; stalk cells in 3 rows; spores generally elliptic, scar generally linear.
Genera In Family: 37 genera, +- 1200 species: worldwide, especially tropics; several cultivated.
eFlora Treatment Author: Susan Fawcett, John C. Game, Alan R. Smith & Thomas Lemieux
Scientific Editor: Alan R. Smith, Bruce G. Baldwin & Thomas J. Rosatti.
Habit: Rhizome creeping and robust [to erect, trunk-like] Leaf: pinnae deeply lobed, veins simple and free or meeting at sinus or nearly so, glands lacking; evergreen.
Etymology: (Greek: converging veins, in reference to venation below the sinus between pinna lobes)
Jepson eFlora Author: Susan Fawcett, John C. Game, Alan R. Smith & Thomas Lemieux
Reference: Fawcett & Smith 2021 A Generic Classification of the Thelypteridaceae. Fort Worth: Botanical Research Institute of Texas Press.
Unabridged Reference: Fawcett et al. 2021 Syst Bot 46:in press.; Smith 1971 Univ. Calif. Publ. Bot. 59:1--143.
Index of California Plant Names (ICPN; linked via the Jepson Online Interchange)

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Citation for this treatment: Susan Fawcett, John C. Game, Alan R. Smith & Thomas Lemieux 2012, Pelazoneuron, in Jepson Flora Project (eds.) Jepson eFlora,, accessed on April 16, 2024.

Citation for the whole project: Jepson Flora Project (eds.) 2024, Jepson eFlora,, accessed on April 16, 2024.