1271 
ACZENA* pinnatífida. 
Pinnatifid Acena. 
— 
DIANDRIA, TRIANDRIA, TETRANDRIA, PENTANDRIA, &c. 
MONO-DI-GY NIA. 
Nat. ord. Rosacer. $ Sanguisorbee. 
ACZENA Vahl.— Calyx basi squamosus, tubo persistente seepiüs glochi- 
dato, limbo 4-partito. Corolla 0. Stamina 2-10. Carpella 1-2, intra 
tubum calycis inclusa. Stylus terminalis. Stigma plumosum. Fructus 
indehiscens è nuce constans monospermà intrà calycem induratum glochi- 
datum v. tuberculatum inclusá. Semen pendulum. Herbe v. suffrutices, 
humiles. Folia impari-pinnata ; foliolis serratis. Flores capitato-racemosi, 
raro solitarii, herbacei, antheris magnis purpureis. 
A. pinnatifida; undique sericea, foliis 4-5-jugis, foliolis alté 3-5-partitis ; 
laciniis linearibus, capitulis spicatis; inferioribus remotis, floribus 5-10- 
andris, fructibus undique glochidatis. 
Aczena pinnatifida. Fl. Peruv. 1. t. 104. f. 1. 6. Dec. prodr. 2. 592. 
Schlecht. et Cham. Linnea 2. 29. 
Caulis ascendens, foliosus, undique pilis sericeis tectus, ut et relique partes. 
Folia 4-5-juga; foliolis sepiüs 4-partitis, nunc tripartitis, in quibusdam 
5-partitis, quod rariüs ; inferioribus minoribus alternis, nunc integris. F lores 
hermaphroditi, interruptè spicati. Spica capitulis constans, apice aggre- 
gatis, versüs basin remotis, demüm in axillis foliorum depauperatorum 
uni- bi-floris. Calyx inferus, basi bracteis pluribus, imbricatis, scariosis, 
pilosis munitus, tubo subtetragono, verrucoso, incrassato, in fructu in- 
durato, limbo patente, 5-phyllo, foliolis viridibus, intüs levigatis, extüs 
pilosis. Petala 0. Stamina 5-10, numero incerta, fauce constricto calycis 
inserta ; filamenta filiformia decumbentia ; anthere magne, atropurpuree, 
subquadrate, biloculares, longitudinaliter dehiscentes. Ovarium solitarium, 
intrà tubum calycis inclusum ; ovulo solitario, pendulo. Stylus eum ovario 
continuus, et ex apice ejus ortus; stigma magnum, è fimbrüs plurimis constans. 
_ A half-tender herbaceous plant, native of Chile, where 
it was first found by the authors of the Flora Peruviana, 
by whom it has been figured and described in their great 
* "Axaiva. signifies a spine: the name has been applied to the genus on 
account of its spiny fruit. | 
