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RU BIACEAE Current Angiosperm Phylogeny Group Tree for Flowering Plants Rubiaceae, GENTIANALES GENTIANALES RUBIACEAE (GENTIANALES, EUASTERIDS) NUMBERS: 637 Gene ra, 10700 species GEOGRAPHY: alm ost entirely tropical HABITAT: m ost comm on in und erstory of wet forests, also eve rywhe re else EUASTERID CHARA CTERS: conn ate coroll a, disk, commonly 2-carpellate, few seeds per placenta, stame ns equa l to or fewer than corolla lobes and adna te to the corolla GENTIANALES CHARACTERS simple, opposite, entire leave s, stipules wit h colleters present (sometim es the stipules mi ssing in o ther Gentiana les), flowers radia lly symmetrical; stamens equal to petals in number, iridoids, indole alkaloids CHARAC TERS DIAGNOSTIC OF FAMILY: Hab it mostly small trees and shrubs, also many he rbs in d ry and temperate areas Stipul es fused in pairs either wit hin or between leaves at the node Flowers: heterostyly co mmon Gynoec ium typ ically of two carpels conna te in an infe rior ova ry, each yielding a sing le seed. Fruit var ious, but commonly a pyrene (a drupe w ith two seeds, each in its own stony endoc arp) Gentry’s stipules of the Rubiaceae Coffea - shadegrown selfer coffee close-up QuickTime™ and a TIFF (Uncompressed) decompressor are needed to see this picture. Cinchona officinalis quinine quinine, a quinoline alkaloid.. QuickTime™ and a TIFF (Uncompressed) decompressor are needed to see this picture. from Cinchona contrast papaverine, an isoquinoline alkaloid… Psychotria viridis: Chacruna: source of DMT in ayahuasca brews. QuickTime™ and a TIFF (Uncompressed) decompressor are needed to see this picture. Hamelia: colored peduncles showy bracts: Calycophyllum Warcsewiczia hotlips…Psychotria Hillia - zygomorphic epiphyte Genipa - body dye, big fruits with flat seeds Randia - spines, many seeds Morinda …early Hawaiian arrival, Ixora coccinea - common ornamental QuickTime™ and a TIFF (Uncompressed) decompressor are needed to see this picture. Gardenia QuickTime™ and a TIFF (Uncompressed) decompressor are needed to see this picture. QuickTime™ and a TIFF (Uncompressed) decompressor are needed to see this picture.
