Comprehensive Description
provided by North American Flora
Pteryxia anisata (A. Gray) Math. & Const. Bull Torrey Club 69: 248. 1942.
Cymoplerus 1 anisalus A. Gray, Proc. Acad. Phila. 1863: 63. 1864.
P seudocymopterus anisalus Coult. & Rose, Rev. N. Am. Umbell. 75. 1888.
Pseudocymopterus aletifolius Rydb. Bull. Torrey Club 31: 574. 1904.
Pseudopleryxia anisata Rydb. Bull. Torrey Club 40: 71. 1913.
Pseudo pteryxia alelifolia Rydb. Bull. Torrey Club 40: 72. 1913.
Plants acaulescent, 10-35 cm. high; leaves narrowly oblong in general outline, excluding the petioles 3.5-14 cm. long, 1.5-3.5 cm. broad, bipinnate, the ultimate divisions rigid, acute, 1-6 mm. long, 1-1.5 mm. broad, mostly confluent, appearing as lobes of a subcuneate leaflet; petioles 3-1 1 cm. long; peduncles S-25 cm. long; involucel dimidiate, the bractlets conspicuous, linear-lanceolate, entire, 3-15 mm. long, much longer than the flowers; rays 6-9, ascending, conspicuously unequal, 5-60 mm. long; pedicels unequal, 1-10 mm. long; flowers yellow; fruit narrowly oblong, 4-6 mm. long, 2-3 mm. broad, the wings plane, narrower than the body, the dorsal shorter than the lateral or obsolete; oil-tubes 1-3 in the intervals, 2-4 on the commissure; strengthening cells present or absent.
TypiS locality: "Dry hills in the middle mountains, Rocky Mountains, Colorado, Lat. 39-41°," Hall &* Harbour 222.
Distribution: Central Colorado (Clements &• Clements 94, Rydberg & Yreeland 5815).
- 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
