Jepson eFlora
Key to families | Table of families and genera

Key to Sagittaria

View taxon page for Sagittaria

1. Pistillate flowers ± sessile; scape bent at inflorescence ..... S. rigida

1' Pistillate flowers pedicelled; scape straight at inflorescence

2. Stolons, tubers 0; lowest inflorescence node with 2 bisexual flowers ..... S. montevidensis subsp. calycina

2' Stolons, tubers present; lowest inflorescence node with 3 pistillate flowers

3. Emergent leaf blades linear to lanceolate; pedicels recurved in fruit, thickened ..... S. sanfordii

3' Emergent leaf blades generally sagittate; pedicels ascending in fruit, not thickened

4. Basal lobes of emergent leaf blades generally > terminal; tubers spheric, tan ..... S. longiloba

4' Basal lobes of emergent leaf blades <= terminal; tubers oblong, ± white or ± blue

5. Fruit beak terminal, erect, 0.1–0.4 mm; emergent leaves with petioles recurved, basal lobes of blades < terminal ..... S. cuneata

5' Fruit beak lateral, spreading, 1–2 mm; emergent leaves with petioles ascending to erect, basal lobes of blades ± = terminal ..... S. latifolia

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Citation for the whole project: Jepson Flora Project (eds.) [year] Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html [accessed on month, day, year]
Citation for an individual treatment: [Author of taxon treatment] [year]. [Taxon name] in Jepson Flora Project (eds.) Jepson eFlora, [URL for treatment]. Accessed on [month, day, year].
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