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SPECIAL COLLECTION:
Plants with Extrafloral Nectaries

A listing of plants that have glands that produce water and sugars, but that are not located within the flower structure and may or may not have a role in attracting and rewarding pollinators.

References (external):

  1. Weber, M.G., Porturas, L.D., and K.H. Keeler, 2015. World List of Plants with Extrafloral Nectaries at Kew. World List of Plants with Extrafloral Nectaries. Last accessed on Friday, May 13, 2016.
Greenhouse Locator Map:

data regenerated on Mon, 14 Jul 2025 02:12:55 -0400

124 Accessions:

Acridocarpus zanzibaricus Adenocalymma comosum Allamanda cathartica Anacardium occidentale Bixa orellana Brassavola nodosa Carnegiea gigantea Carnegiea gigantea Ceiba pentandra Cephalotus follicularis Cephalotus follicularis Cissus verticillata Ctenanthe setosa Dendrobium anosmum Dioscorea bulbifera Drosera aliciae Drosera auriculata Drosera binata Drosera binata Drosera capensis Drosera cuneifolia Drosera hartmeyerorum Drosera pygmaea Drosera regia Drosophyllum lusitanicum Euclea racemosa Flagellaria indica Gossypium barbadense Grewia occidentalis Guarianthe bowringiana Holmskioldia sanguinea Hoya carnosa Inga edulis Malpighia coccigera Malpighia glabra Marsdenia floribunda Moringa oleifera Myrmecophila tibicinis Nepenthes maxima Pachira aquatica Pachira aquatica Passiflora biflora Passiflora coriacea Passiflora pardifolia Petrea volubilis Phaius tankervilleae var. alba Quadrella cyanophallophora Rhipsalis teres Ricinus communis Sarracenia alata Sarracenia alata Sarracenia alata Sarracenia flava Sarracenia leucophylla Sarracenia leucophylla Sarracenia purpurea Sarracenia rubra ssp. jonesii Spathodea campanulata Tabernaemontana divaricata Tecoma stans Thaumatococcus daniellii Thunbergia erecta Trigonidium egertonianum Turnera ulmifolia Vachellia cornigera Vachellia hindsii Vanilla planifolia

Number in parentheses references locator map icons

  • {1} Marsdenia floribunda - Stephanotis - Apocynaceae
  • {2} Ceiba pentandra - Kapok Tree - Malvaceae
  • {3} Ctenanthe setosa - Music Paper - Marantaceae
  • {3} Grewia occidentalis - Cross Berry - Malvaceae
  • {3} Hibiscus acetosella 'Haight Ashbury' - Cranberry Hibiscus - Malvaceae
  • {4} Acridocarpus zanzibaricus - Malpighiaceae W/C
  • {4} Dracaena reflexa - Pleomele, Song of India - Asparagaceae
  • {5} Thaumatococcus daniellii - African Serendipity Berry - Marantaceae
  • {6} Hibiscus tilliaceus - Beach Hibiscus - Malvaceae
  • {6} Thespesia populnea - Portia Tree, Indian Tulip Tree - Malvaceae
  • {7} Thunbergia erecta - King's Mantle - Acanthaceae
  • {8} Ricinus communis - Castor Bean Plant - Euphorbiaceae
  • {9} Spathodea campanulata - African Tulip Tree - Bignoniaceae
  • {10} Euclea racemosa - Dune Guarrie - Ebenaceae
  • {10} Flagellaria indica - Supplejack, Whip vine - Flagellariaceae
  • {10} Strychnos spinosa - Green Monkey Orange - Loganiaceae
  • {10} Tecoma capensis - Cape Honeysuckle - Bignoniaceae
  • {11} Gossypium arboreum - Tree Cotton - Malvaceae
  • {11} Gossypium darwinii - Darwin's Cotton - Malvaceae
  • {12} Moringa oleifera - Horseradish Tree - Moringaceae
  • {13} Faradaya splendida - Glory Vine - Lamiaceae
  • {13} Holmskioldia sanguinea - Chinese Hat - Lamiaceae
  • {14} Tabernaemontana divaricata - Pinwheel Flower - Apocynaceae
  • {15} Aleurites moluccanus - Candlenut, Country Walnut - Euphorbiaceae
  • {16} Hibiscus rosa-sinensis cv. (yellow) - Chinese Hibiscus - Malvaceae
  • {17} Ipomoea horsfalliae - Cardinal Creeper - Convolvulaceae
  • {17} Plumeria rubra - Frangipani - Apocynaceae
  • {18} Nepenthes maxima - The Great Pitcher Plant - Nepenthaceae
  • {19} Dendrobium anosmum - Unscented Dendrobium - Orchidaceae
  • {20} Pachira aquatica - Malabar Chestnut, Guiana Chestnut - Malvaceae
  • {21} Pandorea jasminoides - Bower Vine - Bignoniaceae
  • {22} Allamanda cathartica - Golden Trumpet - Apocynaceae
  • {22} Cissus alata - Grape Ivy, Venezuela Treebine - Vitaceae
  • {23} Swietenia mahogani - West Indian Mahogany - Meliaceae
  • {24} Bixa orellana - Annatto - Bixaceae
  • {24} Malpighia coccigera - Miniature Holly - Malpighiaceae
  • {24} Malpighia glabra - Barbados Cherry, Acerola - Malpighiaceae
  • {25} Petrea volubilis - Queens Wreath, Purple Wreath - Verbenaceae
  • {26} Aphelandra sinclairiana - Coral Aphelandra, Camaroncillo - Acanthaceae
  • {26} Erythrina crista-galli - Ceibo, Cockspur Coral Tree, Cry- Baby Tree - Fabaceae
  • {27} Malvaviscus arboreus var. mexicanus - Turk's-Cap, Cardinals Hat, Sleeping Hibiscus - Malvaceae
  • {28} Hevea brasiliensis - Para Rubber Tree - Euphorbiaceae
  • {28} Inga edulis - Ice Cream Bean - Fabaceae
  • {29} Anacardium occidentale - Cashew Nut Tree - Anacardiaceae
  • {29} Ctenanthe compressa - Marantaceae
  • {29} Gossypium barbadense - Pima Cotton - Malvaceae
  • {30} Ceiba speciosa - silk floss tree, kapok, floss silk tree, ceiba del brasil - Malvaceae
  • {30} Pachira aquatica - Guiana Chestnut - Malvaceae
  • {30} Passiflora coriacea - Bat-Leaf Passion Flower - Passifloraceae
  • {31} Cissus verticillata - Princess Vine - Vitaceae
  • {32} Passiflora biflora - Two Flower Passionflower - Passifloraceae
  • {32} Passiflora edulis 'Possum Purple' - Passion Fruit - Passifloraceae
  • {32} Passiflora pardifolia - Egg Mimic Passionflower - Passifloraceae
  • {32} Quadrella cyanophallophora - Jamaican Caper - Capparaceae
  • {32} Tecoma stans - Yellow Bells - Bignoniaceae
  • {33} Adenocalymma comosum - Yellow Trumpet Vine - Bignoniaceae
  • {34} Crescentia cujete - Calabash Tree - Bignoniaceae
  • {34} Vachellia cornigera - Bull-thorn Acacia - Fabaceae
  • {34} Vachellia farnesiana - Sweet Acacia, Popinac, Sponge Tree - Fabaceae
  • {34} Vachellia hindsii - Iscanal Negro, Ant Acacia - Fabaceae
  • {35} Ipomoea batatas - Sweet Potato - Convolvulaceae
  • {36} Turnera ulmifolia - Yellow Alder - Passifloraceae
  • {37} Acacia saligna - Golden Wreath Wattle, Orange Wattle - Fabaceae
  • {38} Drosera regia - King Sundew - Droseraceae W/C
  • {39} Dioscorea elephantipes - Elephant's Foot, Hottentot-Bread - Dioscoreaceae
  • {40} Yucca glauca - Soapweed, Soapwell - Asparagaceae
  • {41} Carnegiea gigantea - Saguaro - Cactaceae
  • {41} Carnegiea gigantea - Saguaro - Cactaceae W/C
  • {42} Fouquieria splendens - Ocotillo, Coach-whip, Vine Cactus - Fouquieriaceae
  • {43} Cephalotus follicularis - Albany Pitcher Plant - Cephalotaceae
  • {43} Cephalotus follicularis - Albany Pitcher Plant - Cephalotaceae
  • {43} Drosera capensis - Cape Sundew - Droseraceae W/C
  • {43} Drosera capillaris - Pink or Spathulate-leaved Sundew - Droseraceae W/C
  • {43} Drosera cuneifolia - Droseraceae
  • {43} Drosera dielsiana - Droseraceae
  • {43} Sarracenia alata - Pale Pitcher Plant - Sarraceniaceae W/C
  • {44} Drosera aliciae - Alice Sundew - Droseraceae W/C
  • {44} Drosera auriculata - Small Eared Sundew - Droseraceae
  • {44} Drosera binata - Fork-leaved Sundew - Droseraceae W/C
  • {44} Drosera binata - Fork-leaved Sundew - Droseraceae
  • {44} Drosera binata var. multifida extrema - Droseraceae
  • {44} Drosera callistos - Droseraceae
  • {44} Drosera filiformis var. filiformis - Thread-leaf Sundew - Droseraceae W/C
  • {44} Drosera filiformis var. tracyi - Tracy's Thread Leafed Sundew - Droseraceae
  • {44} Drosera pygmaea - Droseraceae W/C
  • {44} Drosera ramellosa - Droseraceae
  • {44} Drosera spatulata ssp. lovellae - Droseraceae W/C
  • {44} Drosera venusta - Sundew - Droseraceae
  • {44} Drosophyllum lusitanicum - Portuguese Sundew - Drosophyllaceae
  • {44} Sarracenia alata - Pale Pitcher Plant - Sarraceniaceae W/C
  • {44} Sarracenia alata - Pale Pitcher Plant - Sarraceniaceae W/C
  • {44} Sarracenia flava - Yellow Pitcher Plant - Sarraceniaceae
  • {44} Sarracenia flava var. flava - Yellow Pitcher Plant, Huntsman's Horn - Sarraceniaceae W/C
  • {44} Sarracenia flava var. rubricorpa - Sarraceniaceae
  • {44} Sarracenia leucophylla - White Top Pitcher Plant - Sarraceniaceae
  • {44} Sarracenia leucophylla - White Top Pitcher Plant - Sarraceniaceae W/C
  • {44} Sarracenia minor - Hooded Pitcher Plant - Sarraceniaceae
  • {44} Sarracenia oreophila - Green Pitcher Plant - Sarraceniaceae W/C
  • {44} Sarracenia psittacina - Parrot Pitcher Plant - Sarraceniaceae
  • {44} Sarracenia purpurea - Purple Pitcher Plant - Sarraceniaceae
  • {44} Sarracenia rosea - Burk's Southern Pitcher Plant - Sarraceniaceae
  • {44} Sarracenia rubra ssp. alabamensis - cane-break pitcher plant - Sarraceniaceae
  • {44} Sarracenia rubra ssp. jonesii - Mountain Sweet Pitcher Plant - Sarraceniaceae W/C
  • {45} Dioscorea bulbifera - Air Potato - Dioscoreaceae
  • {45} Myrmecophila tibicinis - Fluteplayer's Schomburgkia - Orchidaceae
  • {45} Neobenthamia gracilis - The Graceful Neobenthamia - Orchidaceae
  • {46} Dioscorea dodecaneura - Ornamental Yam - Dioscoreaceae
  • {47} Guarianthe bowringiana - Bowring's Cattleya - Orchidaceae
  • {47} Vanda tricolor var. suavis - Orchidaceae
  • {48} Brassavola nodosa - Lady of the Night - Orchidaceae
  • {49} Epidendrum radicans - Reed Stem Epidendrum - Orchidaceae
  • {49} Phaius tankervilleae var. alba - Nun's Orchid - Orchidaceae
  • {50} Trigonidium egertonianum - Egerton's Trigonidium - Orchidaceae
  • {51} Coelogyne flaccida - The Loose Coelogyne - Orchidaceae
  • {52} Vanilla planifolia - Vanilla Orchid - Orchidaceae
  • {53} Gongora quinquenervis var uncinata - The Five-Lined Gongora - Orchidaceae
  • {54} Dyckia fosteriana - Bromeliaceae
  • {55} Rhipsalis teres - Link Cactus - Cactaceae
  • {56} Manihot esculenta - Yuca, Bitter Cassava, Manioc, Tapioca - Euphorbiaceae
  • {57} Tillandsia recurvata - Small Ballmoss - Bromeliaceae
  • {58} Passiflora trifasciata - Tri-colored Passionvine - Passifloraceae
  • {59} Hoya carnosa - Wax Plant, Honey Plant - Apocynaceae
  • {0} Sarracenia purpurea ssp. purpurea - Purple Pitcher Plant - Sarraceniaceae W/C
  • {0} Drosera hartmeyerorum - Droseraceae

W/C = Wild Collected
= Currently Flowering
= Image(s) Available
= map available for this accession
= voucher(s) on file at CONN for this accession
= accession added within past 90 days
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