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Houstonia
Family: Rubiaceae
Houstonia image
Ries Lindley
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JANAS 29(1)
PLANTS: Annual or perennial herbs. LEAVES: opposite (in AZ), with inter-petiolar stipules. INFLORESCENCE: cymose or solitary. FLOWERS: het-erostylous (distylous) or homostylous; calyces 4-lobed; corollas 4-lobed, salverform, funnelform, or tubular; stamens 4; stigmas bifid. FRUITS: biloculate capsules, 1/4-3/4 inferior. SEEDS: 2-45 per capsule, crateriform, i.e., subglobose with interior hilar cavity lacking hilar ridge, or slightly to somewhat compressed, with linear or oblong hilar ridge in a saucer- or cup-shaped concavity. NOTES: 20 spp.; U.S., Can., Mex. (for William Houstoun, British physician). REFERENCES: Terrell, Edward E. 1995 Rubiaceae. Houstonia. J. Ariz. - Nev. Acad. Sci. 29(l): 36.
Species within checklist: The Jones Center At Ichauway NEON (JERC) plants - Southeast (D03)
Houstonia procumbens
Image of Houstonia procumbens
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NSF NEON | Open Data to Understand our Ecosystems The National Ecological Observatory Network is a major facility fully funded by the U.S. National Science Foundation. Any opinions, findings and conclusions or recommendations expressed in this material do not necessarily reflect the views of the U.S. National Science Foundation.