Aristolochia leptosticta (Aristolochia leptosticta)
Description
The vegetative bodies of the Sticta, the thalli, are foliose, or leafy in appearance. They typically have dimensions of 2 to 5 centimetres (0.8 to 2.0 in) in diameter, although specimens with diameters of up to 10 centimetres (3.9 in) have been recorded. The lobes are rounded, and the upper surface is black or brown, while the lower surface has a light to dark brown layer of fine hairs (a tomentum), with a few craters, called cyphellae. Thalli often smell of shrimp or fish. The vegetative reproductive structures called isidia or soredia are often present on species in this genus; apothecia (cup-shaped fertile spore bearing structures) are rarely found. Sticta species are usually found growing on bark, wood, or mossy rock.
Taxonomic tree
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Domain: Eukarya
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Kingdom: Plantae
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Phylum:
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Class: Magnoliopsida
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Order: Piperales
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Family: Aristolochiaceae
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Genus: Aristolochia
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