119 



TURNERACEAE : TURKERA. 



120 



brevissimis sursum curvatis v. patentibus subfulvis dense tomentelli, teretes 

 et plus minus manifests striati v. angulati, gemmis serialibus minutis, 

 raro nonnullis (sub anthesi) in ramos excrescentibus. Stipclae lineari- v. 

 triangulari-subulatae e caule juxta petiolos prodeuntes. Folia basi acuta 

 in petiolum contracta v. sensim cuneato-angustata, apice acuta v. acumi- 

 nata, margine integerrima v. superne undulato-erenata, raro crenato-serrata, 

 nervis ramosis supra parum prominentibus v. subimpressis , subtus valde 

 manifestis, subtus dense pilosula v. brevissime tomentella, superiora non 

 v. paruin decrescentia , summa ipsa subito minuta gemmam foliosam for- 

 mantia. Flores dimorpbi; propbylla sub flore ipso prodeuntia 2 — 1,3 mm. 

 longa, primaria semiorbicularia v. ovato-triangularia, caetera ovata v. ovato- 

 lanceolata v. breviter lanceolata, margine saepius denticellata, crassiuscula 

 v. carnosa subincurva. Calyx extrinsecus breviter tomentosus, intus ad 

 faucem piloso-hirsutus, in 2 /o alt. tubulosus, tubo breviter infundibuliformi- 

 campanulato v. breviter cylindraceo ad faucem piloso-hirsuto, lobis lanceo- 

 latis, exterioribus 3-, interioribus 1- v. sub-3-nervibus , apice subcncullatis, 

 nervo medio sub apice obtuso in dorso perpaullum producto. Petala 

 calycem dimidio superantia, lutea v. citrina, obovato-cuneata 7 — 8 mm. 

 longa, 3 mm. lata, intus interne juxta v. ad nervum medium pilosa, cae- 

 terum glabra, extrinsecus saepe basi parce puberula. Fit-amenta longiora 

 5 — 6 mm. longa, breviora 2 — 2,5 mm. longa; antberae juniores oblongae 

 v. elliptico-oblongae 2 mm. longae, 2 72 — 3-plo longiores quam latiores, basi 

 emarginatae, in 1 /s — 7* alt. in concavitate affixae, defloratae superne non 

 revolutae. Styli apice breviter multipartiti , longiores 4 — 5 mm. longi, 

 in parte 2 /s inferiore hirtelli, breviores 2 mm. longi, interne adpresse pi- 

 losi, ab antberis 2 mm. distantes. Fructus globulosus 4,5 — 5 mm. dia- 

 metro; valvae extrinsecus brunneae glabrae, intus flavido-brunneae, reticu- 

 lato-impressae. Semina obovata et subcurvata, interne valde attenuata, 

 3,4 — 4 mm. longa, 1,7 — 2 mm. lata, sub apice paullo in chalazam amplam 

 concaviusculam contracta, hilo brevi obtuse conico. 



Habitat in prov. Para: Sieber ; ad Para: Burchell n. 9640; in 

 Campos de Maiaca m. Nov. flor.: Spruce n. 328; in umbrosis siccis 

 prope Santarem m. Nov. flor. : Biedel n. 1580 ; in silvis umbrosis Serra 

 da CJiapada m. Sept. flor.: Biedel n. 1142; (culta in Rio de Janeiro: 

 Glaziou n. 9854). — Var. £. ad Para m. Dec. flor.: Burchell n. 9971; 

 in campis prope Santarem, m. Dec. flor. et fruct. : Spruce n. 294, 479, 

 Trail n. 348. 



Obs. Primo adspectu rami capitulis terminalibus terminari videntur; 

 re vera juxta capitulum summum gemma foliis minutis composita ramum 

 continuat, quae quum posterius plerumque marcescat, ramificatio anno 

 sequente fit ramis serialibus. 



Series II. Stenodictyae. 



Fruticuli v. frutices, pube simplice brevissima adspersi 

 v. pulverulenti v. ad apicem tomentosi. Stipulae juxta petioli 

 basin abeuntes. Folia ampla supra basin v. ad petiolos glan- 

 dulifera. Flores magni (cf. n. 7), ex axillis foliorum solitarii, 

 remoti v. remotiusculi , nunc in ramulis serialibus conferti; 

 pedunculi liberi 3 — 45 mm. longi; prophylla saepius involu- 

 crantia, basi appendiculata ; pedicelli nulli. Calyx 8 — 32 mm. 

 longus. Filamenta tubo 0,2 — 3 mm. longe cum tota facie 

 adnata. Fructus dorso dense tuberculati. Semina obovata 

 v. obovato-oblonga, longitrorsum elevatim, transversim obsolete 

 densissimeque striata. 



7. TURNERA MACROPHYLLA Urb., petiolis superne 

 glandulas 2 -f- 2, raro 3 -\- 3 impressas gerentibus; foliis ovatis 

 usque oblongo-lanceolatis , ad apicem magis angustatis acutis 

 v. breviter acuminatis, basi acutis v. obtusiusculis et paullo 

 in petiolum protractis, 6 — 16 cm. longis, 2V2 — 37a-plo longio- 

 ribus quam latioribus, subtus ad incisuras eximie glandulis 

 orbicularibus subconcavis ornatis, caeterum basi eglandulosis, 

 utrinque brevissime, subtus dense v. densissime pilosis; flori- 



bus monomorpliis ; pedunculis fructiferis 4 — 5 (in ramulis ab- 

 breviate 1 — 3) mm. longis; propliyllis linearibus v. lanceolatis 

 3 — 6 mm. longis, 0,5 — 1,5 mm. latis; calyce 8 — 10 mm. longo, 

 in 2 / r > — V* a lt coalito; filamentis tubo imo 0,2 — 0,5 mm. longe 

 adnatis, medio parce et tenuissime puberulis. 



Turnera macrophytta Urb. Mon. Turn. 95. 



Rami vetustiores glabrescentes, purpurascentes, tenniter striati tere- 

 tes, bornotini pilis sursum curvatis v. crispulis brevissimis flavescentibus 

 densissime adspersi v. superne subtomentosi , inter pedunculos et ramos 

 gemmis serialibus saepius bene evolutis. Stipulae setaceae v. subulato- 

 setaceae 0,8 — 1,5 mm. longae. Folia 0,8 — 1,5 cm. longe petiolata, 2 ad 

 6 cm. lata, margine piano basi excepta simpliciter v. duplicato-crenata 

 nervis supra parum , subtus valde prominentibus ; folia ramulorum seria- 

 lium plnries minora v. bracteiformia, serrata, magis approximata. Pkdun- 

 CULi compressiusculi , superne dilatati; propbylla margine dentibus non- 

 nullis subulatis serrata, basi utrinque append ice fere usque ad basin 2- ad 

 5-fida 1 — 2 mm. longa stipulate. Calyx extrinsecus dense et adpresse 

 tomentoso-hirtollus , tubo subcylindrico v. inferne paullo ampliato intus 

 glabro, lobis linearibus v. lanceolatis 3- v. sub-5-nervibus , circa 0,5 mm. 

 longe apiculatis. Petala calycem paullo superantia, obovata v. obovato- 

 oblonga, cuneata, apice obtusissima, 6 — 7 mm. longa, 2,5 — 3 mm. lata, 

 supra basin puberula. Filamenta basi extrinsecus vix incrassata, 8 ad 

 9 mm. longa; antberae juniores ovato-oblongae obtusissimae, obsolete vel 

 manifeste apiculatae, 1,5 — 2 mm. longae, 0,5 — 0,8 mm. latae, dorso in 2 /f> 

 ad Vs alt. in concavitate ampla affixae et usque ad hunc locnm emai'gi- 

 natae, defloratae superne subrecurvae. Styli 6 mm. longi, usque ad stig- 

 mata pilis erectis villoso-hirsuti , apice tripartiti et iterum dividendo 15- 

 ad 20-fidi, flagello vix 1 mm. longo. Ovarium breviter ellipticum v. ovato- 

 globosum densissime flavido-birtellum , 50 — 70-ovulatum. Fructus globu- 

 losus, paullo longior (8 — 10 mm.) quam crassior (7 — 9 mm.); valvae dorso 

 pilis adpressis brevibus v. brevissimis obsitae et dense tuberculatae , intus 

 plus minus flavescenti- v. ferrugineo-punctatae , glabrae. Semina obovato- 

 piriformia, vix v. parum curvata, inferne valde attenuata, 3 — 3,5 mm. 

 longa, 1,5 — 1,8 mm. crassa, hilo non v. vix prominulo, chalaza gibboso-_ 

 protracta concaviuscula, arillo laterali fere longitudine semiuis, semen di- 

 midium v. supra cingente, flavescente. 



Habitat in prov. Alto Amazonas in fruticetis litoreis lacus HJgensis 

 m. Dec. flor. et fruct.: Poeppig n. 2848; in Brasilia septentrionali : Wal- 

 lis ; in Andibus Peruvianis: fide herb. Acad. Petropol. 



8. TURNERA ACUTA Willd., petiolis sub lamina 

 glandulas 1 -\- 1 v. 2 -f 2, raro 3 -f 3 gerentibus ; foliis ovatis 

 usque lanceolatis, utrinque aequaliter v. ad apicem magis an- 

 gustatis, acutis v. breviter acuminatis, basi plus minus cu- 

 neatis, majoribus 5 — 12 cm. longis, 2 — 4-plo longioribus quam 

 latioribus, glabrescentibus v. subtus v. utrinque, praesertim 

 ad nervos, brevissime pilosulis, eglandulosis v. ad incisuras 

 obsolete glanduloso-incrassatis v. subtus glandulas bene evo- 

 lutas gerentibus; floribus dimorphis; pedunculis fructiferis 3 

 ad 10 mm. longis; prophyllis ovatis usque oblongis 8—12 mm. 

 longis, 2,5—8 mm. latis; calyce 12—18 mm. longo, in 2 / 5 — 7* 

 alt. coalito; filamentis tubo imo 1—1,3 mm. longe adnatis, 

 usque supra medium v. fere ad apicem tenuissime et dense 

 pubescentibus. 



Tabula nostra XXXVIII (liabitus et analysis). 



Turnera acuta Willd. Msc. in Sclndt. Syst. Veg. VI. 678 

 et Herb. n. 6082! • Urb. Mon. Turn. 96; — non Spreng. 



Turnera carpinifolia H.B.K.! Nov. Gen. VI. 125; DC. 

 Prodr. III. 347. 



