In this article we will discuss about the classification of Rhamnales. According to Engler, Rhamnales consists of two families:- 1. Rhamnaceae 2. Vitaeae. Family # 1. Rhamnaceae: Rhamnaceae are trees or shrubs, often armed with spines, or climbers, climbing by hooks or tendrils or twining stems, rarely herbs. Leaves are simple, stipulate, alternate or rarely opposite. Inflorescence an axillary cyme [...]
In this article we will discuss about the classification of Sapindales. According to Engler, Sapindales consists of six families:- 1. Anacardiaceae 2. Auifoliaceae 3. Celastraceae 4. Sapindaceae 5. Aceraceae 6. Hippocastanaceae. Family # 1. Anacardiaceae: Anacardiaceae are trees or shrubs, rarely woody vines, containing resin-passages with plenty of gum and acrid juice. Leaves are simple or pinnate, alternate, rarely, opposite [...]
Cactaceae are strongly xerophytic herbs or shrubs, rarely trees; roots elongated, slender, fleshy, occasionally tuberosus, often a well-developed tap-root occurs; stem fleshy, usually modified into phylloclade's of various shapes, flat or cylindric, angular, ribbed, often globose, provided with spines or thorns, rarely bearing normal leaves. Flowers are solitary or in clusters, rarely paniculate or spikate, usually sessile, hermaphrodite, actinomorphic or [...]