Download - GESNERIAC EAE. Current Angiosperm Phylogeny Group Tree for Flowering Plants Bignoniaceae, LAMIALES
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GESNERIACEAE
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Current Angiosperm Phylogeny Group Tree
for Flowering Plants
Bignoniaceae,LAMIALES
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LAMIALES
AcanthaceaeBignoniaceaeByblidaceaeCarlemanniaceaeCyclocheilaceaeLamiaceaeLentibulariaceaeMartyniaceaeMyoporaceaeOrobanchaceaePaulowniaceaePedaliaceaePhrymaceaePlantaginaceaeSchlegeliaceaeScrophulariaceaeStilbaceaeVerbenaceae
Asterids with • superior ovaries,• leaves mostly opposite• bilateral symmetry,• stamens fewer than
petals• fruit a capsule
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Lamiales with • hairy leaves• leaves of a pair unequal• many small seeds • parietal placentation
Gesneriaceae are not often eaten by the caterpillar larvae of butterflies (Ehrlich & Raven 1964).
Gesneriaceae
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GESNERIACEAE (LAMIALES, EUASTERIDS I)
NUMBERS: 150 Genera, 3200 species
GEOGRAPHY: almost entirely tropical (also in Mediterranean, common in greenhouses)
HABITAT: wet forests, rain forests; streambeds and cave openings in drier forests
ASTERIDAE CHARACTERS: fused petals, two carpellate gynoecium, stamens equal to or fewer than petals, adnate to
petals, disk present
LAMIALES CHARACTERS: leaves opposite, bilaterally symmetrical flowers with stamens fewer than corolla lobes,
superior ovary, fruit a capsule
CHARACTERS DIAGNOSTIC OF FAMILY:
Habit terrestrial or epiphytic herbs (a few weak-stemmed trees)
Leaves simple, unequal (anisophyllous), usually serrate, fleshy and often soft-hairyIndument of glandular hairs or hairs
with thickened terminal cells
Flowers large and showy
Corolla five-lobed, variously bilabiate
Stamens four or two, staminodes common
Seeds small and numerous
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SUBFAMILIAL CLASSIFICATION – TWO DIVERSE SUBFAMILIES --
1. Didymocarpoideae -- style usually not well set off from ovary; fruit elongated
Aeschynanthus (180),Cyrtandra (550),Henckelia (155),Streptocarpus (155: inc. Saintpaulia),
2. Gesnerioideae --leaves sometimes spiral; flowers sometimes resupinate.; ovary superior to inferior; fruit sometimes with fleshy placentae or funuculiAlloplectus (75+),Besleria (150),Columnea (s.l. = 270+) New World.Gesneria (60),Drymonia (140+),Paradrymonia (70+),Sinningia (60),
plus two obscure subfamilies
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Aeschynanthus
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Streptocarpus
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Episcia
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Alloplectus
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Besleria
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Columnea
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Columnea
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Columnea
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Columnea
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Drymonia
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Drymonia - a gangly tall herb of cloud forests
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Sinningia (gloxinia)
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