Tulipeae
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The Tulipeae Duby is a tribe of monocotyledon perennial, herbaceous mainly bulbous flowering plants in the Liliaceae family. As originally conceived by Duby, "Tulipaceae" was a tribe within Liliaceae,
Tulipa sylvestris subsp. australis with seedpod (right), 1804
Taxonomy of Liliaceae
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The taxonomy of the plant family Liliaceae has had a complex history since its first description in the mid-eighteenth century. Originally, the Liliaceae were defined as having a "calix" of six equal-
Fritillaria ophioglossifolia, R Wettstein Handbuch der Systematischen Botanik 1901–1924
Lilium: Perigonium of six undifferentiated tepals, in two trimerous whorls and side-connected (dorsifixed) anthers
Calochortus nuttallii: Tepals in two clearly distinguished whorls of three sepals and three petals