Nightshades

Køkken

Botanisk Have Århus

Midtsjælland, Danmark

Kalives, Crete, Greece

Stenskov Huse, Besser, Samsø, Danmark

Botanisk Have, København

Stenskov Huse, Besser, Samsø, Danmark

Botanisk Have Århus

Navn Sø, Jylland, Danmark

Botanisk Have Århus

Vanderbilt University, Nashville, Davidson County, Tennessee, US

All Biocode files are based on field identifications to the best of the researcher’s ability at the time.

All Biocode files are based on field identifications to the best of the researcher’s ability at the time.

All Biocode files are based on field identifications to the best of the researcher’s ability at the time.

All Biocode files are based on field identifications to the best of the researcher’s ability at the time.

All Biocode files are based on field identifications to the best of the researcher’s ability at the time.

All Biocode files are based on field identifications to the best of the researcher’s ability at the time.

All Biocode files are based on field identifications to the best of the researcher’s ability at the time.

All Biocode files are based on field identifications to the best of the researcher’s ability at the time.

All Biocode files are based on field identifications to the best of the researcher’s ability at the time.

All Biocode files are based on field identifications to the best of the researcher’s ability at the time.

Figure 1. Line drawing of Solanumkollastrum. A habit with notably dense prickles, leaves lacking secondary lobes and internodal inflorescences B detail of the prickly inflorescence with a hermaphrodite flower at anthesis C detail of a dissected flower D detail of the fruits enclosed by the strongly accrescent fruiting calyces (with the uppermost fruiting calyx opened to expose the fruit) from Gouvêa 102 (BHCB).

Some species are born invaders, like bittersweet nightshade, a non-native vine with purple flowers and red berries. So what makes it such a successful space invader while other foreign plants never make it? It turns out the answer may be right underfoot. Ecologists Jean Burns and Angela Brandt have devised clever experiments to get to the root of the matter. Ari Daniel Shapiro reports from Cleveland, Ohio. Download a transcript of this podcast read moreDuration: 5:30Published: Wed, 31 Jul 2013 15:55:19 +0000