Rubiaceae
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ASU Fruit & Seed Collection
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JANAS 29(1)
PLANTS: Annual or perennial herbs, shrubs, vines or trees. LEAVES: entire, generally opposite; sometimes appearing whorled because the stipules are leaf-like. INFLORESCENCE: cymose, or paniculate, flowers in heads, clusters, or solitary. FLOWERS: actinomorphic, perfect, sometimes functionally imperfect; sepals 4-5(-6), united, the lobes sometimes reduced or obsolete; petals (3-)4-5, united; stamens epipetalous, alternate with corolla lobes; ovary inferior, 2-4-loculed, the style 1, sometimes bifid. FRUIT: of 2-4 nutlets, or berries, drupes, or capsules. NOTES: Ca. 500 genera, ca. 6000 spp.; world-wide, especially tropical. Many cultivated, including Coffea, (coffee), Cinchona, (quinine), and many ornamentals. NOTES: Ca. 500 genera, ca. 6000 spp.; world-wide, especially tropical. Many cultivated, including Coffea, (coffee), Cinchona, (quinine), and many ornamentals. REFERENCES: Dempster, Lauramay T. 1995. Rubiaceae. J. Ariz. - Nev. Sci. 29(l): 29.
Species within checklist: Arizona
Bouvardia ternifolia
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Cephalanthus occidentalis
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Crusea diversifolia
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Diodia teres
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Galium aparine
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Galium bifolium
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Galium boreale
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Galium collomiae
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Galium coloradoense
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Galium fendleri
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Galium magnifolium
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Galium mexicanum
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Galium microphyllum
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Galium munzii
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Galium pilosum
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Galium proliferum
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Galium stellatum
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Galium trifidum
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Galium triflorum
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Galium uncinulatum
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Galium wrightii
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Hedyotis greenei
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Hedyotis vegrandis
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Houstonia pusilla
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Houstonia rubra
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Houstonia wrightii
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Kelloggia galioides
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Mitracarpus breviflorus
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Mitracarpus hirtus
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Sherardia arvensis
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