Comprehensive Description
provided by North American Flora
Oreomyrrhis tolucana I. M. Johnston, Jour. Arnold
Arb. 19: 127. 1938.
Plants low and matted, 25-75 mm. high, the stems 10-25 mm. long, often obsolete; leaves oblong to oblong-ovate in general outline, excluding the petioles 1-2 cm. long, 5-10 mm. broad, 2-pinnatisect, slightly succulent, pilose or glabrate, the ultimate divisions ovate to lanceolate, 1-3 mm. long, 0.5-1.5 mm. broad, the rachis pilose at the base of the leaflets; petioles 1-2 cm. long; peduncles 1-6 cm. long; involucral bracts connate at least their lower half, the lobes oblong to orbicular, 1-2 mm. long, entire or toothed, somewhat pilose-ciliate, erect or spreading; pedicels 1-6 mm. long; fruit 2.5-3.5 mm. long, about 1.5 mm. broad.
Type locality: Toluca, Mexico, 4650 m. alt., Pringle 4236.
Distribution: High mountains, Mexico (state) to Puebla {Pur pus 1679, 3789).
- bibliographic citation
- Albert Charles Smith, Mildred Esther Mathias, Lincoln Constance, Harold William Rickett. 1944-1945. UMBELLALES and CORNALES. North American flora. vol 28B. New York Botanical Garden, New York, NY
