Sessile-flowered species in the Navarretia leucocephala group (Polemoniaceae)

Navarretia myersii and N. prostrata of sect. Navarretia have a reduced habit, are nearly acaulescent, and have a terminal inflorescence. Mature floral heads bear sessile flowers and bracts on a common receptacle, surrounded by involucral leaves and bracts. This combination of features occurs also in...

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Veröffentlicht in:Madroño 1995-01, Vol.42 (1), p.34-39
1. Verfasser: Day, A.G. (California Academy of Sciences, San Francisco, CA.)
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description Navarretia myersii and N. prostrata of sect. Navarretia have a reduced habit, are nearly acaulescent, and have a terminal inflorescence. Mature floral heads bear sessile flowers and bracts on a common receptacle, surrounded by involucral leaves and bracts. This combination of features occurs also in a related, but new and rare plant described here as N. myersii subsp. deminuta. The three taxa are members of the N.leucocephala group, all of which are restricted to vernal pool habitats.
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ispartof Madroño, 1995-01, Vol.42 (1), p.34-39
issn 0024-9637
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subjects BIOLOGICAL DIFFERENCES
Bracts
Calyx
COMPARISONS
Corolla
DESCRIPTIONS
DIFERENCIAS BIOLOGICAS
DIFFERENCE BIOLOGIQUE
Flowers
HABITOS DE CRECIMIENTO
Inflorescences
Leaves
navarretia myersii
navarretia prostrata
PLANT HABIT
Plants
POLEMONIACEAE
PORT DE LA PLANTE
SPECIES DIFFERENCES
subspecies
Taxa
TAXONOMIA
TAXONOMIE
TAXONOMY
Valleys
Vernal pools
title Sessile-flowered species in the Navarretia leucocephala group (Polemoniaceae)
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