{"id":1461,"date":"2024-04-30T14:12:24","date_gmt":"2024-04-30T18:12:24","guid":{"rendered":"https:\/\/gardeningsolutions.ifas.ufl.edu\/mastergardener\/?page_id=1461"},"modified":"2025-07-16T14:24:02","modified_gmt":"2025-07-16T18:24:02","slug":"glossary-o-r","status":"publish","type":"page","link":"https:\/\/gardeningsolutions.ifas.ufl.edu\/mastergardener\/resources\/plantid\/glossary-o-r\/","title":{"rendered":"Glossary: O-R"},"content":{"rendered":"\n
\n
\n
\n

Florida Plant ID
Glossary of Botanical Terms: O-R<\/h2>\n\n\n\n

<\/p>\n\n\n\n

A-D<\/a><\/td>E-N<\/a><\/td>O-R<\/a><\/td>S-W<\/a><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

O<\/a><\/h2>\n\n\n\n

Oblanceolate Leaf Shape:<\/strong> The reverse of lanceolate, with the broadest half above the middle and tapering toward the apex. See Figure 15.
<\/p>\n\n\n

\n
\"\"
 Figure 15.<\/figcaption><\/figure><\/div>\n\n\n

Oblate: <\/strong>Spherical, flattened on both ends.<\/p>\n\n\n\n

Oblong:<\/strong> Longer than broad, and with the sides nearly parallel. See Figure 16.
<\/p>\n\n\n

\n
\"\"
 Figure 16.<\/figcaption><\/figure><\/div>\n\n\n

Obovate:<\/strong> Inversely ovate, with the broadest half above the middle. See Figure 17.
<\/p>\n\n\n

\n
\"\"
 Figure 17.<\/figcaption><\/figure><\/div>\n\n\n

Odd-pinnately Compound:<\/strong> A compound leaf terminated by a leaflet. See Figure 18.
<\/p>\n\n\n

\n
\"\"
 Figure 18.<\/figcaption><\/figure><\/div>\n\n\n

Opposite Leaf Arrangement:<\/strong> Two leaves at a node, one on the opposite side of the stem from the other. See Figure 19.
<\/p>\n\n\n

\n
\"\"
 Figure 19.<\/figcaption><\/figure><\/div>\n\n\n

Oval Leaf Shape:<\/strong> Broadly elliptical, with the width usually greater than one half of the length. See Figure 20 .
<\/p>\n\n\n

\n
\"\"
 Figure 20.<\/figcaption><\/figure><\/div>\n\n\n

Ovary:<\/strong> Basal portion of the female flower that becomes a fruit.<\/p>\n\n\n\n

Ovate Leaf Shape:<\/strong> Egg-shaped, with the broadest half below the middle. See Figure 21.
<\/p>\n\n\n

\n
\"\"
 Figure 21.<\/figcaption><\/figure><\/div>\n\n\n

Ovoid: <\/strong>Shaped like an egg with the attachment at the broad end.<\/p>\n\n\n\n

P<\/a><\/h2>\n\n\n\n

Palmate:<\/strong> A pattern where the leaves or leaf veins radiate from one point (as fingers radiate from the palm of a hand).<\/p>\n\n\n\n

Panicle:  <\/strong>A branched inflorescence where the bottom flowers open first. <\/p>\n\n\n\n

Pedicel: <\/strong> The stalk of a single flower in an inflorescence.<\/p>\n\n\n\n

Perennial:<\/strong> A plant which lasts for three or more years.<\/p>\n\n\n\n

Petal:<\/strong> One of the individual parts of the corolla.<\/p>\n\n\n\n

Petiole:<\/strong> Stalk supporting the leaf.<\/p>\n\n\n\n

Pinnate:<\/strong>  Arranged like a feather. In venation, major veins extend from the midrib to the margin. See Figure 21b .
<\/p>\n\n\n

\n
\"\"
 Figure 21b.<\/figcaption><\/figure><\/div>\n\n\n

Pinnately compound: <\/strong>A compound leaf divided into leaflets arranged on opposite sides of the stem.<\/p>\n\n\n\n

<\/a>Pit:<\/strong> The stone of a fruit such as in a plum or cherry.<\/p>\n\n\n\n

Pith:<\/strong> Soft, spongy tissue in the center of the stem or roots.<\/p>\n\n\n\n

Pods:<\/strong> Dry fruit that opens when mature.<\/p>\n\n\n\n

Pome Fruit Type:<\/strong>  A fleshy fruit having seed chambers and an outer fleshy part. Ex: apple and pear. See Figure 22.
<\/p>\n\n\n

\n
\"\"
 Figure 22.<\/figcaption><\/figure><\/div>\n\n\n

Prickles:  <\/strong>A small, spine-like growth.<\/p>\n\n\n\n

Pubescent:<\/strong> Covered with short, soft hairs.<\/p>\n\n\n\n

Pyramidal: <\/strong> Shaped like a pyramid, with a broad base and tapered point.<\/p>\n\n\n\n

R<\/a><\/h2>\n\n\n\n

Raceme Flower Arrangement:<\/strong> An inflorescence consisting of a central stem bearing a number of pedicelled flowers; the pedicels of nearly equal length. See Figure 23.
<\/p>\n\n\n

\n
\"\"
 Figure 23.<\/figcaption><\/figure><\/div>\n\n\n

Receptacle:<\/strong> The enlarged upper end of the stalk of a flowering plant, on which the flower parts are held.<\/p>\n\n\n\n

Revolute Leaf Margin:<\/strong> Rolled backward, or underneath. See Figure 24.
<\/p>\n\n\n

\n
\"\"
 Figure 24.<\/figcaption><\/figure><\/div>\n\n\n

<\/a>Rhizome:<\/strong> Any prostrate, elongated, stem growing partially or completely beneath the surface of the ground.<\/p>\n\n\n\n

Rosette Leaf Arrangement:<\/strong> Arrangement of leaves radiating from a crown or center and usually growing close to the ground. See Figure 25.
<\/p>\n\n\n

\n
\"\"
 Figure 25.<\/figcaption><\/figure><\/div><\/div>\n<\/div>\n<\/div><\/div><\/div><\/section>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":9,"featured_media":0,"parent":427,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"inline_featured_image":false,"featured_post":"","footnotes":""},"class_list":["post-1461","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/gardeningsolutions.ifas.ufl.edu\/mastergardener\/wp-json\/wp\/v2\/pages\/1461","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/gardeningsolutions.ifas.ufl.edu\/mastergardener\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/gardeningsolutions.ifas.ufl.edu\/mastergardener\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/gardeningsolutions.ifas.ufl.edu\/mastergardener\/wp-json\/wp\/v2\/users\/9"}],"replies":[{"embeddable":true,"href":"https:\/\/gardeningsolutions.ifas.ufl.edu\/mastergardener\/wp-json\/wp\/v2\/comments?post=1461"}],"version-history":[{"count":3,"href":"https:\/\/gardeningsolutions.ifas.ufl.edu\/mastergardener\/wp-json\/wp\/v2\/pages\/1461\/revisions"}],"predecessor-version":[{"id":6643,"href":"https:\/\/gardeningsolutions.ifas.ufl.edu\/mastergardener\/wp-json\/wp\/v2\/pages\/1461\/revisions\/6643"}],"up":[{"embeddable":true,"href":"https:\/\/gardeningsolutions.ifas.ufl.edu\/mastergardener\/wp-json\/wp\/v2\/pages\/427"}],"wp:attachment":[{"href":"https:\/\/gardeningsolutions.ifas.ufl.edu\/mastergardener\/wp-json\/wp\/v2\/media?parent=1461"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}