Houstonia wrightii A. Gray
Family: Rubiaceae
Pygmy Bluet
[Hedyotis cervantesii Kunth,  more]
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Max Licher  
Plant: Small cespitose perennials; woody taproots; stems 2-18(-32) cm tall, slender Leaves: linear, elliptic, or oblanceolate, 5-15(-30) mm long, 0.5-4 mm wide, spreading INFLORESCENCE: cymose Flowers: heterostylous, cymose, subsessile or on pedicels to ca. 6 mm long; corollas 3.5-9.5 mm long, funnelform or salverform, purple, pink, or white Fruit: FRUITS 1-3 mm long, 2-4 mm wide, thick-walled, 1/8-1/2 inferior, on recurved pedicels; SEEDS 0.7-1.7 mm long with hilar ridge in a cup-shaped concavity Misc: Rocky slopes, grassland, oak-juniper or ponderosa pine forests; 1200-4000m (4000-13000 ft); May-Oct REFERENCES: Terrell, Edward E. 1995 Rubiaceae. Houstonia. J. Ariz. - Nev. Acad. Sci. 29(l): 36.
Levin 1995, Kearney and Peebles 1969
Duration: Perennial Nativity: Native Lifeform: Forb/Herb General: Herbaceous perennial, mat forming or growing in tufts or clumps with slender, leafy stems, arising from a woody taproot. Leaves: Narrowly oblanceolate, lanceolate, or linear, opposite, spreading or ascending. Flowers: Small, purple, white or pink, trumpet-shaped with a narrow throat not more than twice as long as the 4 lanceolate corolla lobes, subsessile or borne in a cymose inflorescence, the 4 calyx teeth awl-shaped. Fruits: Capsules thick-walled, borne on recurved pedicels. Seeds with a raised ridge within a cup-shaped cavity. Ecology: Found in dry, sandy soils on mesas, slopes, and among chaparral, oak, pines, or grassy meadows, from 5,000-8,500 ft (1524-2591 m); flowering May-September. Notes: The keys to this species are the leafy stems and the pink, white, or purple flowers with the corolla tube not more than twice as long as the lobes. Ethnobotany: Unknown Etymology: Houstonia is named for William Houstoun a British physician, while wrightii is named for the American botanical collector Charles Wright (1811-1885). Synonyms: Hedyotis wrightii, Heyotis pygmaea, H. cervantesii, Ereicoctis cervantesii Editor: LCrumbacher, 2011
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Max Licher  
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Max Licher  
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Max Licher  
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Max Licher  
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Patrick Alexander  
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Patrick Alexander  
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Patrick Alexander  
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Patrick Alexander  
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Charles Hedgcock  
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David Thornburg  
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Charles Hedgcock  
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Kirstin Phillips  
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Kirstin Phillips  
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Kirstin Phillips  
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Kirstin Phillips  
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Frank Reichenbacher  
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Kirstin Phillips  
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Kirstin Phillips  
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Frank Reichenbacher  
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