unbranched

adjective

un·​branched ˌən-ˈbrancht 

1

: having no branches

a straight unbranched trunk

2

: not divided into branches

a leaf with unbranched veins

Examples of unbranched in a Sentence

Recent Examples on the Web

Native to the steep hillsides of tropical rainforests of Sumatra, Indonesia, the corpse flower is the largest unbranched inflorescence - many tiny flowers acting as one - in the plant kingdom. — Kassia Bonesteel, CBS News, 25 June 2026

None of those are toxic, but the right plant has hollow, single, unbranched stems with milky sap and smooth leaves growing in a basal rosette. — Ryan Brennan, Sacbee.com, 30 Apr. 2026

The flower of the titan arum (Amorphophallus titanium) is the largest unbranched flower in the world and can reach up to 15 feet tall. — Deb Wiley, Better Homes & Gardens, 19 Feb. 2024

Curiosity was high for the pungent plant, which grew a reputation for being the world’s largest flower (although that’s not entirely true — the corpse flower is actually the largest unbranched inflorescence). — Cari Spencer, Los Angeles Times, 25 Aug. 2023

The corpse flower is the largest unbranched flower in the world, another point of attraction. — Sophie Carson, Journal Sentinel, 14 July 2023

Titan arums boast the world’s largest unbranched inflorescences — massive, phallic structures boasting thousands of miniature flowers. — Richard Pallardy, Discover Magazine, 15 July 2021

Word History

First Known Use

1665, in the meaning defined at sense 1

Rhymes for unbranched

• blanched
• branched

Kids Definition

unbranched

adjective

un·​branched ˌən-ˈbrancht 

: free from or not divided into branches

a tree with a straight unbranched trunk

a leaf with unbranched veins

Medical Definition

unbranched

adjective

un·​branched -ˈbrancht 

1

: having no branches

unbranched filaments

2

: having a straight chain of atoms in a molecule : normal sense 4d