Biology

Gentianella campestris Gentianella campestris- Several photographs of Field Gentian and some identifying features. Gentianella amarella Gentianella amarella- Information and several photographs of the Mountain Gentian, sometimes known as Felwort. Gentiana ochroleuca Gentiana ochroleuca- Information on this plant and its uses, provided by Henriette's Herbal. Gentiana sp. Gentiana sp.- image Gentiana sp. Gentiana sp.- image Exacum affine Exacum affine- image Centaurium erythraea Centaurium erythraea- Photograph and information on Common Centaury. Centaurium erythraea Centaurium erythraea- image Bartonia virginica Bartonia virginica- Yellow Screwstem. Garrya wrightii Garrya wrightii- USDA species account for Wright's Silktassel. Garrya elliptica Garrya elliptica- image Garrya fremontii Garrya fremontii- image Garrya fremontii Garrya fremontii- image Garrya elliptica Garrya elliptica- image Fumaria officinalis Fumaria officinalis- Two photographs of Common Fumitory, and its identifying features. Fumaria muralis Fumaria muralis- Several photographs of the Wall Fumitory, and information on features helping in its identification. Fumaria capreolata Fumaria capreolata- Information and several photographs of Ramping Fumitory. Corydalis lutea Corydalis lutea- Photograph of Yellow Corydalis which grows on walls. Corydalis claviculata Corydalis claviculata- Information and several photographs of Climbing Corydalis. Ocymum basilium Ocymum basilium- short description and medicinal uses Ocymum minumum Ocymum minumum- short description and medicinal uses Fouquieria splendens Fouquieria splendens- Species summary from the USDA Forest Service. Fouquieria splendens - Ocotillo Fouquieria splendens - Ocotillo- Images and description. Fouquieria columnaris - Boojum Tree Fouquieria columnaris - Boojum Tree- Images and description. Fouquieria splendens Fouquieria splendens- image Fouquieria splendens Fouquieria splendens- image Zuelania guidonia Zuelania guidonia- Description of this tree with a photograph of its leaves. Xylosma congestum Xylosma congestum- General information and classification. Oncoba kraussiana Oncoba kraussiana- image Olmediella cesatiana Olmediella cesatiana- image Hydnocarpus sp. Hydnocarpus sp.- image Gossypiospermum praecox Gossypiospermum praecox- Description of this tree, with photographs. Flacourtia Flacourtia- Information on trees in this genus and their uses, provided by Henriette's Herbal. Commercial Timbers: Casearia praecox Commercial Timbers: Casearia praecox- Characteristics of this valuable timber tree from Mexico, Central and South America and the Caribbean. Commercial Timbers: Casearia gossypiosperma Commercial Timbers: Casearia gossypiosperma- Characteristics of this valuable timber tree from South America. Casearia sylvestris: Guacatonga Casearia sylvestris: Guacatonga- Description and photographs of this bush or small tree, and information on its herbal properties, tribal and herbal medicine uses, the chemicals i… Casearia guianensis Casearia guianensis- Description of this tree and photographs of shoots and leaves. Aberia caffra Aberia caffra- image Quercus shumardii: Shumard Oak Quercus shumardii: Shumard Oak- Tree identification fact sheet with photos of the leaf, flower, acorn, twig, bark and form. Quercus palustris: Pin Oak Quercus palustris: Pin Oak- Tree identification fact sheet with photos of the leaf, flower, acorn, twig, bark and form. Quercus pagoda: Cherrybark Oak Quercus pagoda: Cherrybark Oak- Tree identification fact sheet with photos of the leaf, flower, acorn, twig, bark and form.. Quercus nigra: Water Oak Quercus nigra: Water Oak- Tree identification fact sheet with photos of the leaf, flower, acorn, twig, bark and form. Quercus margarettae: Sand Post Oak Quercus margarettae: Sand Post Oak- Tree identification fact sheet with photos of the leaf, flower, acorn, twig, bark and form. Quercus incana: Bluejack Oak Quercus incana: Bluejack Oak- Tree identification fact sheet with photos of the leaf, flower, acorn, twig, bark and form. Quercus imbricaria: Shingle Oak Quercus imbricaria: Shingle Oak- Tree identification fact sheet with photos of the leaf, flower, acorn, twig, bark and form. Quercus ilicifolia: Bear Oak Quercus ilicifolia: Bear Oak- Tree identification fact sheet with photos of the leaf, flower, acorn, twig, bark and form. Quercus hemisphaerica: Darlington Oak Quercus hemisphaerica: Darlington Oak- Tree identification fact sheet with photos of the leaf, flower, acorn, twig, bark and form. Quercus acutissima: Sawtoot Oak Quercus acutissima: Sawtoot Oak- Tree identification fact sheet with photos of the leaf, flower, acorn, twig, bark and form. International Oak Society International Oak Society- Nonprofit organization dedicated to encouraging the study and cultivation of the true oaks (genus Quercus). News, events and publications. Common Oaks of Florida Common Oaks of Florida- Descriptions and illustrations of 19 species.