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Streptocarpus (syn. Saintpaulia) ionanthus habitat, on the exposed vertical karst with Adiantum incisum and Nephrolepis acutifolia around the entrance of Amboni caves, Tanga, Tanzania
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Stylochaeton salaamicus, Amboni Caves, Tanga, Tanzania
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Stylochaeton salaamicus, leaves, Amboni Caves, Tanga, Tanzania
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Dorstenia hildebrandtii in a humus pocket on karst, Amboni caves, Tanga, Tanzania
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Dorstenia hildebrandtii, multiple succulent basal stems on karst, Amboni caves, Tanga, Tanzania
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Dorstenia hildebrandtii, hanging succulent stems on karst, Amboni caves, Tanga, Tanzania
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Dorstenia hildebrandtii, leaves and inflorescence, Amboni caves, Tanga, Tanzania
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Dorstenia hildebrandtii, inflorescence, Amboni caves, Tanga, Tanzania
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Dorstenia hildebrandtii hanging from the karst rock and Dorstenia tayloriana on forest floor, Amboni caves, Tanga, Tanzania
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Dorstenia tayloriana, population on rocky forest floor with bright white inflorescences, Amboni caves, Tanga, Tanzania
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Dorstenia tayloriana at the cave entrance, the type locality of Dorstenia amboniensis, now a synonym name, also Dorstenia alta on the right background, Amboni caves, Tanga, Tanzania
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Dorstenia tayloriana, inflorescences with two long opposite filiform appendages, Amboni caves, Tanga, Tanzania
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Dorstenia tayloriana, leaves and inflorescence, this form was originally described as Dorstenia amboniensis, now a synonymised name, Amboni caves, Tanga, Tanzania
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Dorstenia tayloriana, boat shaped bright white receptacle with many white filaments on the margin and two long green at each extremity of the receptacle, Amboni caves, Tanga, Tanzania
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Dorstenia tayloriana, multiple axillary inflorescences, Amboni Caves, Tanga, Tanzania
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Dorstenia tayloriana, var. tayloriana, previously described as Dorstenia amboniensis, Amboni Caves, Tanga, Tanzania
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Dorstenia tayloriana, repeptacle with two long opposite filaments, Amboni Caves, Tanga, Tanzania.
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Dorstenia tayloriana, cup shaped receptacle, Amboni Caves, Tanga, Tanzania.
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Dorstenia tayloriana, receptacle with brown stamens of the male flowers and female flowers in central yellowish cavities, Amboni Caves, Tanga, Tanzania.
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Dorstenia tayloriana, receptacle with brown stamens of the male flowers and female flowers in yellowish cavities, Amboni Caves, Tanga, Tanzania.
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Dorstenia tayloriana and Dorstenia alta, this last one now included in the genus Hijmania due to its shrubby habit, plagiotropic stems and distichous phyllotaxy, Amboni caves, Tanga, Tanzania
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Dorstenia alta, boat shaped inflorescences, Amboni caves, Tanga, Tanzania
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Dorstenia alta, a small shrubby species in forest understory, Amboni caves, Tanga, Tanzania
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Dorstenia alta, boat shaped inflorescence with dark purple margins of the receptacle, Amboni caves, Tanga, Tanzania
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Dorstenia alta, leaves dentate in the upper part and boat shaped inflorescences, Amboni caves, Tanga, Tanzania
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Dorstenia alta, wide green margin of the receptacle, Amboni caves, Tanga, Tanzania
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Dorstenia alta, inward curved blackish receptacle margins, Amboni caves, Tanga, Tanzania
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Cyanastrum goetzeanum, Dorstenia barnimiana and Dorstenia cuspidata in the same rock fissure, Kisensegere, Rukwa, 1200 m asl, Tanzania
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Dorstenia cuspidata, fleshy leaves with hydathodes along the leaf margin, Kisensegere, Rukwa, 1200 m asl, Tanzania
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Dorstenia cuspidata, bright yellow receptacle with arachnoid appendages, Kisensegere, Rukwa, 1200 m asl, Tanzania
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Dorstenia cuspidata, receptacle with arachnoid appendages, Kisensegere, Rukwa, 1200 m asl, Tanzania
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Dorstenia cuspidata, small pink appendages at the periphery of the disk, bright white nuts ready to be expulsed and wilted small purple male flowers between fruits, Kisensegere, Rukwa, 1200 m asl, Tanzania
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Dorstenia barnimiana in rock fissure, Kisensegere, Rukwa, 1200 m asl, Tanzania
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Dorstenia barnimiana, silver maculate leaf form in humus pocket on rock boulder, Kisensegere, Rukwa, 1200 m asl, Tanzania
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Dorstenia barnimiana, leaf blade with marginal hydathodes, fleshy petiole and small tuber, Kisensegere, Rukwa, 1200 m asl, Tanzania
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Dracaena (syn. Sansevieria) perrotii, induplicate channeled leaves, freely hanging from the top of a karst ledge, Amboni Caves, Tanzania
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Dracaena (syn. Sansevieria) perrotii, first erect then freely hanging leaves from the top of a karst ledge, with Zamioculcas zamiifolia, Amboni Caves, Tanzania
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Dracaena (syn. Sansevieria) perrotii, freely hanging from the top of a karst ledge, Amboni Caves, Tanzania
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Dracaena (syn. Sansevieria) perrotii, freely vertically hanging induplicate channeled leaves, almost triangular in section, Amboni Caves, Tanzania
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Dracaena (syn. Sansevieria) perrotii, induplicate channeled leaves, almost triangular in section, with Zamioculcas zamiifolia, Amboni Caves, Tanzania