acaulous

(redirected from acaulescent)
Also found in: Dictionary, Thesaurus, Medical, Wikipedia.

acaulous

[¦ā′kȯl·əs]
(botany)
Lacking a stem.
Being apparently stemless but having a short underground stem.
References in periodicals archive ?
Since individuals of this species usually do not have an aerial stem, we used the number of main veins as the state variable related to size, as often used in acaulescent palms (Galeano et al.
Large acaulescent Palms include 28 species in two genera (Table 6) and are commonly found in the Amazon basin.
Habit and Ecology--Species of Astrocaryum produce solitary or caespitose palms in the following classes (quantitative categories are given in Table 2): (i) large palms with tall stem, (ii) palms with large leaves and medium-sized stem, or short stem, or subterranean stem (considered "acaulescent"), (iii) slender to medium-sized palms, (iv) small, acaulescent palms with short leaves.
The highly specialized stilt-root palm Socratea exorrhiza lacks an acaulescent establishment phase and is able to elevate itself in shade at the young stage with minimal investment in trunk building, progressively consolidating its architecture with increasing energy availability while reaching higher understory strata (Hogan, 1986).
Numerous species are massive palms forming dense stands and they are therefore remarkable elements of the landscape, but there are also smaller acaulescent species in both forests and savannas.
term correct application anterior applicable only in strongly zygomorphic flowers, but even there it remains doubtful posterior see anterior pinnate description of compound leaves with leaflets arranged on opposite sides of an elongated axis or of a certain venation pattern bipinnate twice pinnate (leaves), see above tripinnate pinnately compound three times, with pinnate pirmules (leaflets) quadripinnate pinnately compound four times, with nate pinnules (leaflets) scape leafless peduncle arising from ground level (usually from a basal rosette) in acaulescent plants (e.
In this species, spear leaves were cut from large, acaulescent juveniles without causing any immediate damage, but since the number of leaves harvested per year was the same as the number of leaves produced, palms eventually died, as a consequence of the lack of leaf replacement.
10d, e) includes seven species of acaulescent to climbing perennial herbs in South America.
Herbs perennial, acaulescent, scapose, with plant dimorphism: a vernal (spring) stage with reduced or no leaves and chasmogamous capitula, and an autumnal (summer and fall) stage with fully developed leaves and cleistogamous capitula.
Herbs perennial, caulescent to acaulescent, scapose.
Stems acaulescent, flask shaped, wholly subterranean, ca.