Cecropia species

Key to Cecropia species from Central Amazon

apex outside and below the style channel inside, the apex convex, minutely muriculate; style rather long, straight; stigma comose. Fruit oblongoid to ellipsoid, 1–1.5 mm long, muriculate.

Distribution: Central Amazon, only known from the city of Manaus, Amazonas state, Brazil ( Fig. 2 View Figure 2 ).

Habitat and ecology: Occurs in low density in the edges and vicinity of secondary “terra firme” forests and altered areas in the urban zone, at an elevation of 35 to 90 m a.s.l. Vernacular name: It is known as ‘imbaúba’ in the city of Manaus.

Etymology: The epithet refers to a popular adjective used for people and things which are native to Manaus.

Phenology: Cecropia manauara was observed with flowers in June and July and from October to December and with fruits in June and July.

Additional material examined: BRAZIL – Amazonas • Manaus, Parque 10 de Novembro neighborhood, Arthur Reis housing complex; 3º4’34,5’’ S, 59º59’53,91’’ W; 39 m; 15 Jun. 2018; fl. ♀; Demarchi 1229; INPA [ INPA280591 View Materials ], SP [ SP499145 ] • Manaus, UFAM campus, next to the Technology College’s parking lot; 3º5’15,59’’ S, 59º57’56,82’’ W; 78 m; 26 Oct. 2018; fl. ♂; Demarchi 1387; INPA [ INPA282379 View Materials ], SP [ SP525812 ] • Manaus, Aleixo neighborhood, Colônia Japonesa, next to Waldemar Maués street; 3°39’55’’ S, 59°58’78’’ W; 45 m; 21 Dez. 2019; fl. ♂; Demarchi 1638; INPA [ INPA289921 View Materials ], SP [ SP525791 ] • Manaus, Chapada neighborhood, Theomario Pinto avenue, next to the viaduct; 3°5’34’’ S, 60°1’42’’ W; 26 m; 25 Sep. 2021; fl. ♂; Demarchi 1763; INPA [ INPA289965 View Materials ], SP [ SP525800 ] • Manaus, Planalto neighborhood, Campos Elíseos housing complex, Estocolmo street; 3°3’52,33’’ S, 60°2’ 52,63’’ W; 81 m; 25 Sep. 2021; fl. ♂; Demarchi 1767; INPA [ INPA289969 View Materials ], SP [ SP525802 ] • Manaus, Adrianópolis neighborhood, Parque Adrianópolis housing complex; 3º5’29,5’’ S, 60º0’25,47’’ W; 35 m; 18 Jul. 2019; fl. ♀, fr.; Aguiar 4; INPA [ INPA 289900 View Materials ]. 1. Trichilia absent …….………………………...................................................................………………………..… C. sciadophylla View in CoL GoogleMaps

1’. Trichilia present …………………........................................................................………...……………………………………....… 2

2. Lamina with 12-15 segments ………………..................................................................…………………………………… C. ulei View in CoL

2’. Lamina with up to 10(-12) segments ……………………….....................................................................……………………... 3

3. Lamina incised down to the petiole or to 1.5(-2.5) cm from the petiole ………….....…………………………….. C. concolor View in CoL

3’. Lamina incised down to at most 4 cm from the petiole …...………………...........................................................………... 4

4. Lateral veins of the free part of the midsegment marginally loop-connected …....................................................…….. 5

4’. Lateral veins of the free part of the midsegment submarginally loop-connected ........................................................ 7

5. Lamina attached to the petiole at ca. 1/4 of the total length from its base; mostly found at flooded places … C. latiloba View in CoL

5’. Lamina attached to the petiole clearly> 1/4 of its total length from its base; found at non-flooded places ……....… 6 6. Inflorescences erect (at least at anthesis); spathes red ………......................................................……………. C. distachya View in CoL

6’. Inflorescences pendulous at anthesis; spathes white ………........................................................……….…...... C. palmata View in CoL

7. Leaf apices obtuse …................................................................................................................................. C. purpurascens View in CoL

7’. Leaf apices acuminate ….................................................................................................................................................... 8

8. Lamina chartaceous …………………………...……....................................................................……………………… C. ficifolia View in CoL

8’. Lamina subcoriaceous to coriaceous ................................................................................................................................ 9

9. Petiole with arachnoid indumentum ……………….............................................................…………………..… C. manauara

9’.Petiole without arachnoid indumentum ................................................................................................. C.membranacea View in CoL