Augustea coquimbensis
- ≡Polycarpon coquimbense in Novon 5(2): 154–155, f. 1. 1995 syn. sec. Iamonico 20151
- Holotype: Chile, Coquimbo: Dpto. Elqui, Camino Internacional a San Juan, Puente Las Terneras, 22 km al interior de Guanta, alt. 1650 m, Jan 1967, Ricardi, Marticorena & Matthei 1802 (CONC), isotype: OS http://plants.jstor.org/stable/10.5555/al.ap.specimen.os0000281
- 1. Iamonico, D. 2015: Augustea (Polycarpaeae, Caryophyllaceae), a new genus from South America. – Phytotaxa 236(1): 71-78. http://doi.org/10.11646/phytotaxa.236.1.6
Distribution (General)
Chile central, Coquimbo (endemic).A
Description
Shrubs (nanophanerophyte) up to 20 cm. Stem woody at the base, branched, branches twisted, sulcate, glabrous to minutely pulverulent. Leaves opposite (sometimes with 2 additional smaller leaves), shortly petiolate (0.4−1.0 mm long), blade obovate to orbicular, 5.0−9.0 × 4.0−9.0 mm, apex rounded, base obtuse, pulverulent when young. Inflorescence terminal, dichotomous dense cymes, 4−6-branched; bracts ovate, scarious. Flowers subsessile; sepals 5, ovate-orbicular (1.9−2.5 mm long), obtuse, 1-nerved, keeled, broadly hyaline on margins; petals 5, oblong (1.3−1.5 mm long), shorter than the sepals, obtuse, entire, white; stamens 5, perigynous; style 1, stigmas 3. Fruits (capsule) trigonous-ovoid (1.0−1.1 × 1.5−1.6 mm), longer than the calyx, opening in non-involute valves; seeds 3−7, lunate-fusiform, nearly smooth on the surface, brown.B
Bibliography
A. Gereau, R.E. & Marticorena, C. 1995: The genus Polycarpon (Caryophyllaceae) in South America, with one new species from the Norte Chico of Chile. – Novon 5(2): 152-155. http://doi.org/10.2307/3392237
B. Iamonico, D. 2015: Augustea (Polycarpaeae, Caryophyllaceae), a new genus from South America. – Phytotaxa 236(1): 71-78. http://doi.org/10.11646/phytotaxa.236.1.6