What does pinnate mean?
Definition of pinnate : resembling a feather especially in having similar parts arranged on opposite sides of an axis like the barbs on the rachis of a feather a pinnate leaf — see leaf illustration.
What is the meaning of pinnate and bipinnate?
bipinnate in British English (baɪˈpɪnˌeɪt ) adjective. (of pinnate leaves) having the leaflets themselves divided into smaller leaflets.
What is pinnate shape?
pinnate – (of a leaf shape) featherlike; having leaflets on each side of a common axis. pinnated. compound – composed of more than one part; “compound leaves are composed of several lobes; “compound flower heads”
What is the main difference between pinnate and palmate venation?
Difference between Pinnate and Palmate Compound Leaves
| Pinnate Compound Leaves | Palmate Compound Leaves |
|---|---|
| Number of Primary Veins | |
| A single primary vein is present from the base to the top. | Several main veins run from the base of the leaf to the top. |
| Resemblance | |
| Their outline looks like a feather. | They resemble a human hand. |
How is pinnately compound leaf different from Palmately leaf?
Answer: In pinnately compound leaf, the number of leaflets are present on a common axis, the rachis, which represents the midrib of the leaf as in neem. In case of a palmately compound leaf, the leaflets are attached at a common point, i.e., at the tip of petiole as in silk cotton.
What is a odd pinnate leaf?
Definition of odd-pinnate : having leaflets on each side of the petiole and having a single leaflet at the tip of the petiole — see leaf illustration.
What do Stipules mean?
Definition of stipule : either of a pair of small, usually leaflike appendages borne at the base of the petiole in many plants.
What is the meaning of pinnate and bipinnate used to describe the arrangement of leaves on stem?
Pinnately-compound leaves have their leaflets arranged along the middle vein. Bipinnately-compound (double-compound) leaves have their leaflets arranged along a secondary vein, which is one of several veins branching off the middle vein.
What does pinnate venation look like?
A “pinnate” venation describes a visible pattern on a leaf where there is a dominant center vein, or “mid-rib” with other veins branching off from the middle. The branching veins may be opposite one another, creating a symmetrical appearance, or they may be alternate.
Does silk cotton have pinnately compound leaf?
Many leaflets especially five leaflets which originate from a single point of attachment. The example for this kind of leaf is neem. The example for this type of leaf is silk cotton, tapioca etc. Note:The example of the pinnately compound leaves is cassia, fistula, neem etc.
What is a Stipule scar?
STIPULE SCARS. These scars are the remnants of 1eafy appendages that were attached to the base of the previous season’s leaf petiole. Stipule scars are found only in certain woody species. They occur in pairs, one on either side of the top of the leaf scar. In some species they completely encircle the twig.
What is the meaning of pinnate?
Definition of pinnate : resembling a feather especially in having similar parts arranged on opposite sides of an axis like the barbs on the rachis of a feather a pinnate leaf — see leaf illustration Other Words from pinnate
What is pinnate leaf?
(of a leaf) having leaflets or primary divisions arranged on each side of a common stalk: the pinnate leaves of a palm tree. resembling a feather, as in construction or arrangement; having parts arranged on each side of a common axis: This type of sea cucumber has a mouth surrounded by up to 25 pinnate tentacles. QUIZ YOURSELF ON AFFECT VS. EFFECT!
What is the difference between frond and pinnate?
The frond is bi- pinnate, and the pinnæ are long and taper to a fine point. The origin is by two distinct heads, each of which is pinnate. What Do “a.m.”
What is a pinnate grouse?
The pinnate grouse, or prairie chicken. Its broad pinnate tropical leaf was pleasant though strange to look on. When the pinnate leaf of a Mimosa pudica, the so-called sensitive plant, is pinched or struck, the leaf droops rapidly and the leaflets become approximated together, so that their upper surfaces are in contact.