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Texas sage is nicknamed the "barometer bush" due to a commonly held belief that it can predict the rain. According to folklore, the plant goes into bloom in anticipation of upcoming rain. It appears that the plant sometimes blooms because of humidity or low atmospheric pressure, which can occur before or after rain. [7] [8] [9]
Gould's Ecoregions of Texas (1960). [1] These regions approximately correspond to the EPA's level 3 ecoregions. [2]The following is a list of widely known trees and shrubs found in Texas.
Ulmus crassifolia Nutt., the Texas cedar elm or simply cedar elm, is a deciduous tree native to south-central North America, mainly in southern and eastern Texas, southern Oklahoma, Arkansas, and Louisiana, with small populations in western Mississippi, southwest Tennessee, and north-central Florida; [2] it also occurs in northeastern Mexico.
The following terms are used to describe leaf morphology in the description and taxonomy of plants. Leaves may be simple (that is, the leaf blade or 'lamina' is undivided) or compound (that is, the leaf blade is divided into two or more leaflets). [1] The edge of the leaf may be regular or irregular, and may be smooth or have hair, bristles, or ...
Lupinus texensis, the Texas bluebonnet or Texas lupine [1] is a species of lupine found in Texas, Louisiana, Arkansas and the Mexican states of Coahuila, Nuevo León, and Tamaulipas. With other related species of lupines also called bluebonnets, it is the state flower of Texas. [2] [3] It is an annual [4] which begins its life as a small ...
The tops of the leaves are dark green with scattered silver scales. [4] Leaf undersides are completely covered in scales, most of which are unpigmented, [6] and have prominent veins. [4] Although older leaves turn orange in the fall, [7] it is a semi-evergreen plant because the leaves are retained during mild winters. [8]
They have a thick outer layer of flesh and on average contain four heart-shaped seeds. This variety of grape is recognized by the leaves that have a white velvet-like underside and lobed, cordate shape. These vines often cover trees, shrubs, fences and other objects that it grows near. [3]
Leaves are 1–3 cm (0.39–1.18 in) long, opposite and pinnately compound, with four to eight pairs of leaflets. The dark green, leathery, linear to linear-spatulate leaflets are 5–16 mm (0.20–0.63 in) long and 2–3 mm (0.079–0.118 in) wide. Leaflets fold themselves at night and when exposed to hot sunlight.