— 66 — 



7. Piriqueta Duarteana Urb., perennis, caulibus 15—60 cm longis, 

 setulis secernentibus brevibus vestitis , nunc pube simplice brevissima 

 et pilis stellaribus adjectis; foliis 2— 10 mm longe petiolatis , ovatis, 

 obovatis, subrhombeis v. oblongis, 2 — 6 cm longis, dimidio usque 3-plo 

 longioribus quam latioribus, paene usque ad basin eglandulosam crenatis; 

 floribus solitariis heterostylis ; pedunculis subnullis usque 4 cm longis; 

 prophyllis nullis v. brevissinris ; pedicellis 4 — 11 mm longis; calyce 

 7 — 16 mm longo, in 1 / 4 — 1 / 5 alt. coalito; petalis violaceis v. roseis v. 

 albis cum venis purpurascentibus v. nigrescentibus, v. purpureis; fructu 

 5 — 7 mm diametro, dorso sub pube tuberculato; seminibus parum v. vix 

 curvatis non tuberculatis. 



Turnera Duarteana Camb. ! in St. HU. Flor. Bras. mer. II, 162 (223) ; 

 Walp. Repert. II, 229. 



Icon: Urb. in Mart. Flor. Bras. Xlll, 111, t. 32. 



Caules 15 — 60 cm longi, 1,5 — 3 mm crassi, teretes v. superne aiigulato-striati, 

 simplices v. ramosi , setulis crassitie caulis 2 — 6-plo brevioribus inaequilongis dense 

 obsiti v. hispidi , pube alia brevissima tenui plerumque intermixta. Folia petiolis 

 5 — 10 mm longis, ovata, ovoidea v. subrhombea , rarias obovata, 2 — 4 cm longa, 

 1,2 — 2,5 cm lata, vix duplo longiora quam latiora, apice acuta v. obtusiuscula v. rotundata, 

 basi obtusissima, rotundata, rarius subacuta, nunc lutescentia,nunc nigrescentia, supra pilis 

 stellaribus tenuibus dense obsita, raro tomentosa, subtus eadem pubescentia v. flavido- v. 

 albido-tomentosa, setulis saepe utrinque. subtus ad nervos,intermixtis. P e d u n c u li fructiferi 

 subnulli v. usque ad 5 mm, raro — 10 mm longi, plerumque patentes v. deflexi; prophylla 

 nulla v. callo notata; pedicelli 4— 8mm longi. Calyx 11 — 13 mm longus, extrinsecus 

 dense pubescens v. tomentosus et praeterea plerumque breviter hirsutus , intus sub 

 corona breviter pilosus v. glaber, in '/* a ^- coalitus, lobis exterioribus lanceo- 

 latis acuminatis, interioribus oblongis, latiuscule membranaceis obtusiusculis, manifeste 

 v. obsolete apiculatis, 3- v. 5-nervibus. Petala calycem parte l / 3 v. fere duplo 

 superantia, 12 — 18 mm longa, 8 — 9 mm lata, triangulari-obovata, inferne subcuneata, 

 glabra, corona er. lmm longa, nunc obscurius colorata v. nigrescente. Filamenta tubo 

 0,5 — 1 mm longe adnata, glabra, longiora 6 — 8 mm, breviora 4 — 5 mm longa; antherae 

 clausae oblongae v. ovato-ellipticae obtusissimae, 2—3 mm longae, 0,7 — 1,2 mm latae, 

 2 — 3-plo longiores quam latiores , in '/a — Vs a ^- affixae et emarginatae, effloratae 

 superne recurvataev.revolutae. Styli glabri, apice0,5 — lmm longe fiagellatim multipartiti, 

 ab antheris 2 — 3wim longe distantes, longiores 5—6 mm, breviores 2 — 2,5 mm longi et valde 

 divergentes. Ovarium 40 — 60-ovulatum. Fructus 5 — 7 mm diametro, v. breviter 

 ovatus et 8 — 10 mm longus, nunc acutus ; valvae extrinsecus fiavo-virides v. nigres- 

 centes, setulis et plerumque etiarn pilis tenuibus breviter hirsutae, intus stramineae 

 v. ferrugineae, nunc ad placentam atropurpureae, glabrae. Semina obovata v. oblongo- 

 cylindracea, 2 — 3 mm longa, 0,7 — 1 mm crassa, postremo badia, reticulato-striata, hilo 

 breviter conico, nunc vix prominente, chalaza parum v. vix prominula, arillo plerum- 

 que amplo. 



Habitat in Brasilias prov. Minas Geraes, Goyaz, Bahia, Piauhy et Cearä : Blanchet 

 n. 3750, Gardner n. 1665, 2417, 2615, 2878, 3749, 3750, Burchell n. 8049, Pohl n. 

 1888, 1929. — Flor, fere totum per annum. 



^Var. ß. chrysotricha Urb., praeter pubem brevem secernentem et 

 aliam tenuissimam pilis aureis crassitiem caulis aequantibus v. superanti- 

 bus et coronula stellari pallidiore circumdatis hirsuta. 



