Baccharis Systematics (Astereae) - Fapesp

Baccharis Systematics (Astereae) - Fapesp Baccharis Systematics (Astereae) - Fapesp

05.12.2012 Views

Astereae in Brazil: 8 subtribes, 16 genera, ~220 spp. (120 endemic) Baccharidinae Baccharis 160 spp. Machaerantherinae Grindelia 7 spp. Asteropsis 1 sp. Conyzinae Apopyros 2 spp. Podocominae Inulopsis 4 spp. A.A.Schneider Conyza 12 spp. Microgyne 1 sp. Hysterionica 3 spp. Podocoma 6 spp. Leptostelma 4 spp. Neja 3 spp. Sommerfeltia 1 sp. Solidaginae Solidago 1 sp. Chrysopsidinae Noticastrum 8 spp. Grangeinae Egletes 1 sp. Symphyotrichinae Symphyotrichum 5 spp. www.cnip.org.br

Astereae: Baccharidinae Variability in the sexual systems Homogamous or heterogamous capitula, not in the same plant Archibaccharis Heering 32 spp. Archibaccharis schiedeana (Benth.) J. Jacks Monoecious Flowers hermaphrodite and unisexual Cypselae 2-ribbed, flattened www.sbs.utexas.edu Baccharis L. ~400 spp. Dioecious Flowers unisexual Cypselae >5-ribbed, cylindrical Baccharis leucocephala Dusén

<strong>Astereae</strong>: Baccharidinae<br />

Variability in the sexual systems<br />

Homogamous or heterogamous capitula, not in the same plant<br />

Archibaccharis Heering<br />

32 spp.<br />

Archibaccharis schiedeana (Benth.) J. Jacks<br />

Monoecious<br />

Flowers hermaphrodite and unisexual<br />

Cypselae 2-ribbed, flattened<br />

www.sbs.utexas.edu<br />

<strong>Baccharis</strong> L.<br />

~400 spp.<br />

Dioecious<br />

Flowers unisexual<br />

Cypselae >5-ribbed, cylindrical<br />

<strong>Baccharis</strong> leucocephala Dusén

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