RH Botany, Plant Identification & Materia Medica 2

Question 1

Which plant family is characterized by square stems, opposite leaves, and bilaterally symmetrical flowers?

Accepted Answer

Lamiaceae

Answer

Lamiaceae (mint family) is defined by its square stems, opposite leaves, and two-lipped (bilabiate) corollas.

Question 2

The doctrine of signatures held that Pulmonaria officinalis was useful for lung conditions primarily because of its:

Accepted Answer

Spotted leaves resembling lung tissue

Answer

Lungwort's white-spotted leaves were interpreted as resembling diseased lung tissue, making it a classic doctrine of signatures example.

Question 3

Which part of Valeriana officinalis is used medicinally, and what is its primary traditional indication?

Accepted Answer

Root, for nervous system support and sleep

Answer

Valerian root contains valerenic acid and iridoids that support relaxation and sleep, making it one of the most studied nervine herbs.

Question 4

An umbel is the characteristic inflorescence of which plant family, important for both medicinal and toxic species?

Accepted Answer

Apiaceae

Answer

Apiaceae (carrot family) produces compound umbels and includes both valuable medicinal plants (fennel, angelica) and deadly species (poison hemlock).

Question 5

Adaptogens such as Eleutherococcus senticosus are distinguished from general tonics by their ability to:

Accepted Answer

Normalize physiological function regardless of the direction of imbalance

Answer

True adaptogens exert a bidirectional, normalizing effect — raising depressed functions and moderating excessive ones — without organ-specific targeting.

(RH) Registered Herbalist Practice Test

(RH) Registered Herbalist Practice Test

RH Botany, Plant Identification & Materia Medica 2