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FNA | Family List | FNA Vol. 9 | Rosaceae | Fragaria

2. Fragaria virginiana Miller, Gard. Dict. ed. 8. Fragaria no. 2. 1768.

Plants hermaphroditic or unisexual. Leaves usually green to bluish green, sometimes bright green, sometimes glaucous, thin but ± stout (slightly thicker than F. vesca), sometimes slightly leathery, not reticulately veined abaxially, terminal tooth of terminal leaflet usually shorter (often narrower) than adjacent teeth. Flowers bisexual or unisexual (plants dioecious, gynodioecious, or trioecious); hypanthium 9.5–27 mm diam.; petals 5, obovate to widely obovate, margins overlapping or distinct. Achenes usually deeply embedded, rarely in pits or ± superficial, yellowish green to reddish brown, 1.2–1.8 mm; bractlets clasping, spreading, or ± reflexed, sepals clasping; torus usually not easily separate from hypanthium.

Subspecies 4 (4 in the flora): North America.

It seems inappropriate to the author to follow the proposal of K. E. Hokanson et al. (2006) to reclassify the subspecies of Fragaria virginiana to forms.

1 Stolons, petioles, peduncles, and pedicels usually appressed ascending-hairy, sometimes almost glabrous.   2b Fragaria virginiana subsp. glauca
+ Petioles spreading-hairy; stolons, peduncles, and pedicels usually spreading- or appressed ascending-hairy, sometimes glabrous   (2)
2 (1) Stolons and peduncles spreading- or appressed-ascending-hairy, proximally often spreading-hairy, distally ascending-hairy or glabrous; pedicels appressed-hairy or glabrous.   2a Fragaria virginiana subsp. virginiana
+ Stolons, peduncles, and pedicels spreading-hairy throughout   (3)
3 (2) Leaflet blades green to bright green, not glaucous, terminal leaflets slightly rhombic to broadly elliptic, margins sharply serrate throughout; bractlets slightly clasping or spreading to ± reflexed; e, sc United States.   2c Fragaria virginiana subsp. grayana
+ Leaflet blades usually bluish green, slightly glaucous, sometimes dull, terminal leaflets ovate-obovate to cuneate or truncate, margins serrate or crenate only in distal 1/3; bractlets clasping or slightly spreading; w North America.   2d Fragaria virginiana subsp. platypetala

Lower Taxa


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