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In many parts of Poland adder’s tongue Ophioglossum vulgatum was believed to be fern flower. It is a fern that does not look like a fern. It lacks the characteristic divided fine leaves. The leaf is simple and is accompanied by a stalk with spores. Altogether it looks like a green calla-type flower or a plantain.
A pecan, like the fruit of all other members of the hickory genus, is not truly a nut, but is technically a drupe, a fruit with a single stone or pit, surrounded by a husk. The husks are produced from the exocarp tissue of the flower, while the part known as the nut develops from the endocarp and contains the seed .
Aristolochia grandiflora produces large solitary flowers from the axils of leaves. Leaves are cordate and can be up to 25 cm (9.8 in) wide. Flowers are heart shaped: 10–20 cm (3.9–7.9 in) wide and have tails that are up to 60 cm (24 in). The flower is green/white with purple/brown veins.
Adiantum (/ ˌ æ d i ˈ æ n t əm /), [1] the maidenhair fern (not to be confused with the similar-looking maidenhair spleenwort fern), is a genus of about 250 species of ferns in the subfamily Vittarioideae of the family Pteridaceae, [2] though some researchers place it in its own family, Adiantaceae.
The leaves of the plant are linear to lanceolate, 3–15 cm (1.2–5.9 in) long and 0.3–3 cm (0.1–1.2 in) broad, with a lobed margin; they give off a sweet odor, especially when crushed. Plants are monoecious with separate unisexual flowers. The staminate flowers grow in clusters at the ends of branches, and are up to 5 cm (2.0 in) long.
Bidens is a genus of flowering plants in the aster family, Asteraceae. [3] The genus include roughly 230 species which are distributed worldwide. [4] Despite their global distribution, the systematics and taxonomy of the genus has been described as complicated and unorganized.
The ferns (Polypodiopsida or Polypodiophyta) are a group of vascular plants (plants with xylem and phloem) that reproduce via spores and have neither seeds nor flowers.They differ from mosses by being vascular, i.e., having specialized tissues that conduct water and nutrients, and in having life cycles in which the branched sporophyte is the dominant phase.
Like all ferns, P. triangularis does not produce flowers nor seeds, only spores. It has long smooth petioles (frond stems) that are anywhere from black to brown in color, and its fronds are bright to dark green on top with dark spore sacs on the leaf bottom surrounded by a lighter yellow excreted powdery substance.
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