Biology

Plant Profile for Acinos arvensis Plant Profile for Acinos arvensis- illustration and distribution Fitogeografia della Sicilia - Acinos granatensis (Boiss. & Reuter) Pereda subsp. aetnensis (Strobl) Pign. - Endem. It. Sic Fitogeografia della Sicilia - Acinos granatensis (Boiss. & Reuter) Pereda subsp. aetnensis (Strobl) Pign. - Endem. It. Sic- Acinos granatensis photo Acinos alpinus Acinos alpinus- photo The Mint Chronicles The Mint Chronicles- Acanthomintha duttonii and Acanthomintha ilicifolia photos and horticultural data San Diego Thorn Mint [Acanthomintha ilicifolia (Gray) Gray] San Diego Thorn Mint [Acanthomintha ilicifolia (Gray) Gray]- Distribution, habitat and environmental status for San Diego Thorn Mint. Pterocarya stenoptera: Chinese Wingnut Pterocarya stenoptera: Chinese Wingnut- Fact sheet about this tree, including a photo. Pterocarya stenoptera Pterocarya stenoptera- Article from Wikipedia with photographs and description of the Chinese wingnut tree. Pterocarya fraxinifolia: Caucasian Wingnut Pterocarya fraxinifolia: Caucasian Wingnut- Photos to aid in identifying this tree by its leaves, bark, and other characteristics. Juglans microcarpa Juglans microcarpa- Information on distribution and occurrence; value and use; characteristics; and fire ecology. Juglans major Juglans major- Information on distribution and occurrence; value and use; characteristics; and fire ecology. Juglans californica Juglans californica- Information on distribution and occurrence; value and use; characteristics; and fire ecology. Illicium oliganorum Illicium oliganorum- General information and classification. Illicium floridanum Illicium floridanum- General information and classification. Illicium Illicium- Two photographs of members of this genus. Pennantia baylisiana: New Zealand’s Rarest Tree Pennantia baylisiana: New Zealand’s Rarest Tree- Professor Geoff Baylis recounts his trip to the Three Kings Islands in 1944 and the discovery of this species. Gonocaryum sp. Gonocaryum sp.- image Hypericum perforatum Hypericum perforatum- Photo and profile of common St. Johnswort, with particular focus on its status as a noxious weed in parts of the U.S. Hypericum crux-andreae Hypericum crux-andreae- St. Peterswort. Hypericum hypericoides ssp. hypericoides Hypericum hypericoides ssp. hypericoides- St. Andrew's Cross. Hypericum spp.: Saint Johnswort Hypericum spp.: Saint Johnswort- Fact sheet with photos of the leaf, flower, fruit, twig, bark and form. Hypericum humifusum Hypericum humifusum- Photograph of Trailing St John’s Wort and a description of the plant. Hypericum pulchrum Hypericum pulchrum- Several photographs of leaves and flowers of slender St John’s Wort and its description. Hypericum androsaemum Hypericum androsaemum- Several photographs of Tutsan and some identifying features of the plant. Hypericum tetrapterum Hypericum tetrapterum- Several photographs of Square-stemmed St John’s Wort and some identifying features of the plant. Hypericum calycinum Hypericum calycinum- image Wigandia caracasana Wigandia caracasana- image Phacelia tanacetifolia Phacelia tanacetifolia- image Nemophila menziesii Nemophila menziesii- image Nama sandwicensis Nama sandwicensis- image Nama demissum Nama demissum- image Aesculus parviflora (Bottlebrush Buckeye) Aesculus parviflora (Bottlebrush Buckeye)- Physical characteristics of leaf, flower, fruit, twig, and bark. Provides photos. Heteropyxis natalensis Heteropyxis natalensis- General information and classification. Hernandia ovigera Hernandia ovigera- image Hernandia ovigera Hernandia ovigera- image Liquidambar styraciflua: Sweetgum Liquidambar styraciflua: Sweetgum- Information and photos of leaf, twig, bark, fruit and mature tree. Liquidambar styraciflua Liquidambar styraciflua- Includes distribution and occurrence, botanical and ecological characteristics, value and use, and fire ecology. Liquidambar orientalis Mill. Liquidambar orientalis Mill.- Description, photos, and link to information on ethnobotanical aspects of this shrub. Liquidambar (Hamamelidaceae) Liquidambar (Hamamelidaceae)- Plant description and photo, pollen identification and morphology information, and photos of pollen grains. Liquidambar styraciflua Liquidambar styraciflua- image Liquidambar styraciflua Liquidambar styraciflua- image Hamamelis virginiana: Witch-hazle Hamamelis virginiana: Witch-hazle- Tree identification fact sheet with photos of the leaf, flower, fruit, twig, bark and form. Hamamelis virginiana Hamamelis virginiana- Includes distribution and occurrence, botanical and ecological characteristics, value and use, and fire ecology. Hamamelis sp. Hamamelis sp.- Close-up image of flowering stem. Fothergilla gardenii: Witch Alder Fothergilla gardenii: Witch Alder- Photograph, illustrations and information on this wetland shrub. Exbucklandia sp. Exbucklandia sp.- image Myriophyllum aquaticum Myriophyllum aquaticum- Parrot feather watermilfoil. Myriophyllum aquaticum: Parrotfeather Myriophyllum aquaticum: Parrotfeather- Photographs and technical information on this invasive waterweed, its description, distribution, economic importance, biology and control. Eurasian Watermilfoil (Myriophyllum spicatum) Eurasian Watermilfoil (Myriophyllum spicatum)- Technical information on this invasive waterweed, its description, distribution, economic importance, biology and control. Myriophyllum Myriophyllum- Fine photomicrograph of a leaf of this species, with a description of the plant. Myriophyllum alterniflorum Myriophyllum alterniflorum- Several photographs of Alternate Water Milfoil growing in water, and its identifying features.